Separation barrier
Encyclopedia
A separation barrier is a wall or fence constructed to limit the movement of people across a certain line or border
Border
Borders define geographic boundaries of political entities or legal jurisdictions, such as governments, sovereign states, federated states and other subnational entities. Some borders—such as a state's internal administrative borders, or inter-state borders within the Schengen Area—are open and...

, or to separate two populations. These structures vary in placement with regard to international borders and topography
Topography
Topography is the study of Earth's surface shape and features or those ofplanets, moons, and asteroids...

. The most famous example of a separation barrier is probably the Great Wall of China
Great Wall of China
The Great Wall of China is a series of stone and earthen fortifications in northern China, built originally to protect the northern borders of the Chinese Empire against intrusions by various nomadic groups...

, a series of barriers separating the Empire of China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 from nomadic powers to the north; the most prominent recent example was the Berlin Wall
Berlin Wall
The Berlin Wall was a barrier constructed by the German Democratic Republic starting on 13 August 1961, that completely cut off West Berlin from surrounding East Germany and from East Berlin...

 that separated the enclave of West Berlin
West Berlin
West Berlin was a political exclave that existed between 1949 and 1990. It comprised the western regions of Berlin, which were bordered by East Berlin and parts of East Germany. West Berlin consisted of the American, British, and French occupation sectors, which had been established in 1945...

 from the rest of East Germany during most of the Cold War
Cold War
The Cold War was the continuing state from roughly 1946 to 1991 of political conflict, military tension, proxy wars, and economic competition between the Communist World—primarily the Soviet Union and its satellite states and allies—and the powers of the Western world, primarily the United States...

 era.

Current barriers

Note: The table can be sorted alphabetically or chronologically using the icon.
Name Country Built Length (km) Type
Baghdad Wall
Baghdad Wall
The Baghdad Wall is the name being given by some media outlets to a 5 km long separation barrier being built by the 2nd Brigade Combat Team, 82nd Airborne Division of the United States Army around the predominantly Sunni district of Adhamiya in Baghdad, Iraq. Construction of the 3.6 m high ...

Adhamiya, Iraq
Iraq
Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

 
Under construction 5 Civil pacification
Belfast Peace Lines
Peace lines
The peace lines or peace walls are a series of separation barriers in Northern Ireland that separate Catholic and Protestant neighbourhoods. They have been built at urban interface areas in Belfast, Derry, Portadown and elsewhere...

United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 (Northern Ireland
Northern Ireland
Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...

)
1969–present 0.5 (average) Civil pacification
Botswana/Zimbabwe Botswana
Botswana
Botswana, officially the Republic of Botswana , is a landlocked country located in Southern Africa. The citizens are referred to as "Batswana" . Formerly the British protectorate of Bechuanaland, Botswana adopted its new name after becoming independent within the Commonwealth on 30 September 1966...

 and Zimbabwe
Zimbabwe
Zimbabwe is a landlocked country located in the southern part of the African continent, between the Zambezi and Limpopo rivers. It is bordered by South Africa to the south, Botswana to the southwest, Zambia and a tip of Namibia to the northwest and Mozambique to the east. Zimbabwe has three...

 
2003 500 Anti-illegal immigration
Brunei/Limbang Brunei
Brunei
Brunei , officially the State of Brunei Darussalam or the Nation of Brunei, the Abode of Peace , is a sovereign state located on the north coast of the island of Borneo, in Southeast Asia...

 and Limbang
Limbang
Limbang is a border town and the capital of Limbang District in the Limbang Division of northern Sarawak, East Malaysia, on the island of Borneo. The division has an area of 3,978.1 square kilometers, and a population of 42,600...

 
2005 20 Anti-illegal immigration
Ceuta border fence
Ceuta border fence
The Ceuta border fence is a separation barrier between Morocco and Spain at Ceuta, a city in the North African coast. Constructed by Spain, its purpose is to stop illegal immigration and smuggling....

Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 
2001 8 Anti-illegal immigration
China/Hong Kong China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 
1960s -early 32 Internal barrier
China/Macau China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 
1870 0.34 Internal barrier
China/North Korea China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 and North Korea
North Korea
The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

 
Under construction 1,416 Anti-illegal immigration
Egypt-Gaza barrier Egypt
Egypt
Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

 
1979, subterranean barrier under construction 3.1 Anti-terrorism and anti-illegal immigration
Malaysia-Thailand border
Malaysia-Thailand border
The Malaysia-Thailand border consists of both a land boundary across the Malay Peninsula and maritime boundaries in the Straits of Malacca and the Gulf of Thailand/South China Sea. Malaysia lies to the south of the border while Thailand lies to the north...

Thailand
Thailand
Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

 and Malaysia 
Proposed 650 Anti-terrorism
Melilla border fence
Melilla border fence
The Melilla border fence is a separation barrier between Morocco and the Spanish city of Melilla. Constructed by Spain, its stated purpose is to stop illegal immigration and smuggling.-Recent history:...

Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 
1998 11 Anti-illegal immigration
Indo-Bangladeshi barrier India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 
Under construction 3,268 Anti-illegal immigration
Indo-Burma barrier
Indo-Burma barrier
The Indo-Burma barrier is a separation barrier that India is presently constructing to seal off its -long border with Burma. India hopes to curtail cross-border crime, including goods, arms and counterfeit Indian currency smuggling, drug trafficking, and insurgency...

India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 
Under construction 1,624 Anti-drug smuggling and anti-terrorism
Indian Kashmir barrier India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 
2004 550 Anti-terrorism (disputed territory)
Iran-Pakistan barrier
Iran-Pakistan barrier
The Iran-Pakistan barrier is a separation barrier which Iran has building along its border with Pakistan replacing an intermittent tattered border fence. The 3 ft thick and 10 ft high concrete wall, fortified with steel rods, will span the 700 km frontier stretching from Taftan to Mand...

Iran
Iran
Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

 and Pakistan
Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

 
Under construction 700 Anti-drug smuggling
Israeli West Bank barrier
Israeli West Bank barrier
The Israeli West Bank barrier is a separation barrier being constructed by the State of Israel along and within the West Bank. Upon completion, the barrier’s total length will be approximately...

Israel
Israel
The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

 - West Bank
West Bank
The West Bank ) of the Jordan River is the landlocked geographical eastern part of the Palestinian territories located in Western Asia. To the west, north, and south, the West Bank shares borders with the state of Israel. To the east, across the Jordan River, lies the Hashemite Kingdom of Jordan...

 
Under construction 703 Anti-terrorism (disputed territory)
Kazakh-Uzbekistan barrier
Kazakh-Uzbekistan barrier
The Kazakhstan–Uzbekistan barrier is a 45 km-long separation barrier built by Kazakhstan along part of its border with Uzbekistan. Construction began on October 19, 2006...

Kazakhstan
Kazakhstan
Kazakhstan , officially the Republic of Kazakhstan, is a transcontinental country in Central Asia and Eastern Europe. Ranked as the ninth largest country in the world, it is also the world's largest landlocked country; its territory of is greater than Western Europe...

 and Uzbekistan
Uzbekistan
Uzbekistan , officially the Republic of Uzbekistan is a doubly landlocked country in Central Asia and one of the six independent Turkic states. It shares borders with Kazakhstan to the west and to the north, Kyrgyzstan and Tajikistan to the east, and Afghanistan and Turkmenistan to the south....

 
2006 45 Anti-drug smuggling
Korean Wall North Korea
North Korea
The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

 and South Korea
South Korea
The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...

 
1953 248 Conflict zone
Kruger National Park
Kruger National Park
Kruger National Park is one of the largest game reserves in Africa. It covers and extends from north to south and from east to west.To the west and south of the Kruger National Park are the two South African provinces of Limpopo and Mpumalanga. In the north is Zimbabwe, and to the east is...

South Africa
South Africa
The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

 and Mozambique
Mozambique
Mozambique, officially the Republic of Mozambique , is a country in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west and Swaziland and South Africa to the southwest...

 
1975 120 Anti-illegal immigration
Kuwait-Iraq barrier Kuwait
Kuwait
The State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It is bordered by Saudi Arabia to the south at Khafji, and Iraq to the north at Basra. It lies on the north-western shore of the Persian Gulf. The name Kuwait is derived from the...

 and Iraq
Iraq
Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

 
1991 193 Conflict zone
Pakistan-Afghanistan barrier Pakistan
Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

 
Proposed 2,400 Anti-terrorism
Russia/Chechnya Chechnya
Chechnya
The Chechen Republic , commonly referred to as Chechnya , also spelled Chechnia or Chechenia, sometimes referred to as Ichkeria , is a federal subject of Russia . It is located in the southeastern part of Europe in the Northern Caucasus mountains. The capital of the republic is the city of Grozny...

 (Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

)
Proposed 700 Anti-terrorism (disputed territory)
Saudi-Yemen barrier
Saudi-Yemen barrier
The Saudi–Yemen barrier is a physical barrier constructed by Saudi Arabia along part of its border with Yemen. It consists of a network of sandbags and pipelines, three metres high, filled with concrete and fitted with electronic detection equipment.When construction of the barrier began in...

Saudi Arabia
Saudi Arabia
The Kingdom of Saudi Arabia , commonly known in British English as Saudi Arabia and in Arabic as as-Sa‘ūdiyyah , is the largest state in Western Asia by land area, constituting the bulk of the Arabian Peninsula, and the second-largest in the Arab World...

 and Yemen
Yemen
The Republic of Yemen , commonly known as Yemen , is a country located in the Middle East, occupying the southwestern to southern end of the Arabian Peninsula. It is bordered by Saudi Arabia to the north, the Red Sea to the west, and Oman to the east....

 
2004 75 Anti-illegal immigration
Sharm el-Sheikh
Sharm el-Sheikh
Sharm el-Sheikh is a city situated on the southern tip of the Sinai Peninsula, in South Sinai Governorate, Egypt, on the coastal strip along the Red Sea. Its population is approximately 35,000...

Egypt
Egypt
Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

 
2005 20 Anti-terrorism
Turkmen-Uzbekistan barrier
Turkmen-Uzbekistan barrier
The Turkmen-Uzbekistan barrier is a separation barrier consisting of a barbed wire fence erected by Turkmenistan along its border with Uzbekistan....

Turkmenistan
Turkmenistan
Turkmenistan , formerly also known as Turkmenia is one of the Turkic states in Central Asia. Until 1991, it was a constituent republic of the Soviet Union, the Turkmen Soviet Socialist Republic . Turkmenistan is one of the six independent Turkic states...

 and Uzbekistan
Uzbekistan
Uzbekistan , officially the Republic of Uzbekistan is a doubly landlocked country in Central Asia and one of the six independent Turkic states. It shares borders with Kazakhstan to the west and to the north, Kyrgyzstan and Tajikistan to the east, and Afghanistan and Turkmenistan to the south....

 
2001 1,700 Anti-illegal immigration
United Arab Emirates-Oman barrier
United Arab Emirates-Oman barrier
The United Arab Emirates-Oman barrier is a separation barrier constructed by United Arab Emirates along its border with Oman in an effort to curb the flow of illegal migrants, illicit drugs and terrorists into the country....

United Arab Emirates
United Arab Emirates
The United Arab Emirates, abbreviated as the UAE, or shortened to "the Emirates", is a state situated in the southeast of the Arabian Peninsula in Western Asia on the Persian Gulf, bordering Oman, and Saudi Arabia, and sharing sea borders with Iraq, Kuwait, Bahrain, Qatar, and Iran.The UAE is a...

 and Oman
Oman
Oman , officially called the Sultanate of Oman , is an Arab state in southwest Asia on the southeast coast of the Arabian Peninsula. It is bordered by the United Arab Emirates to the northwest, Saudi Arabia to the west, and Yemen to the southwest. The coast is formed by the Arabian Sea on the...

 
Under construction 410 Anti-illegal immigration
United Nations Buffer Zone in Cyprus
United Nations Buffer Zone in Cyprus
The United Nations Buffer Zone in Cyprus runs for more than along what is known as the Green Line and has an area of . The zone partitions the island of Cyprus into a southern area effectively controlled by the government of the Republic of Cyprus , and the northern area...

Cyprus
Cyprus
Cyprus , officially the Republic of Cyprus , is a Eurasian island country, member of the European Union, in the Eastern Mediterranean, east of Greece, south of Turkey, west of Syria and north of Egypt. It is the third largest island in the Mediterranean Sea.The earliest known human activity on the...

 and Northern Cyprus 
1974 300 Conflict zone
United States–Mexico barrier
United States–Mexico barrier
The Mexico–United States barrier — also known in the United States as the border fence or border wall — is actually several separation barriers designed to prevent illegal movement across the Mexico – United States border...

United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 
Under construction 3,360 Anti-illegal immigration and drug smuggling
Uzbek-Afghanistan barrier
Uzbek-Afghanistan barrier
The Uzbekistan–Afghanistan barrier is a separation barrier built by Uzbekistan along its 130-mile border with Afghanistan. It is most heavily guarded border in the world, second only to the barrier between North and South Korea. It consists of a barbed wire fence and a second, taller, 380-volt...

Uzbekistan
Uzbekistan
Uzbekistan , officially the Republic of Uzbekistan is a doubly landlocked country in Central Asia and one of the six independent Turkic states. It shares borders with Kazakhstan to the west and to the north, Kyrgyzstan and Tajikistan to the east, and Afghanistan and Turkmenistan to the south....

 and Afghanistan
Afghanistan
Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

 
2001 209 Anti-illegal immigration
Uzbek-Kyrgyzstan barrier
Uzbek-Kyrgyzstan barrier
The Uzbekistan–Kyrgyzstan barrier is a separation barrier built by Uzbekistan along its border with Kyrgyzstan to prevent terrorist infiltration. Constructiion began in 1999 after bomb attacks in the Uzbek capital of Tashkent were blamed on Islamic terrorists originating from Kyrgyzstan...

Uzbekistan
Uzbekistan
Uzbekistan , officially the Republic of Uzbekistan is a doubly landlocked country in Central Asia and one of the six independent Turkic states. It shares borders with Kazakhstan to the west and to the north, Kyrgyzstan and Tajikistan to the east, and Afghanistan and Turkmenistan to the south....

 and Kyrgyzstan
Kyrgyzstan
Kyrgyzstan , officially the Kyrgyz Republic is one of the world's six independent Turkic states . Located in Central Asia, landlocked and mountainous, Kyrgyzstan is bordered by Kazakhstan to the north, Uzbekistan to the west, Tajikistan to the southwest and China to the east...

 
1999 870 Conflict zone
Western Sahara, Berm of Morocco
Morocco
Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

 
1987 2,700 Conflict zone (disputed territory)


Afghanistan

In January 2006, Afghanistan
Afghanistan
Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

's government decreed that the United Nations
United Nations
The United Nations is an international organization whose stated aims are facilitating cooperation in international law, international security, economic development, social progress, human rights, and achievement of world peace...

, the American embassy and other foreign organizations in Kabul
Kabul
Kabul , spelt Caubul in some classic literatures, is the capital and largest city of Afghanistan. It is also the capital of the Kabul Province, located in the eastern section of Afghanistan...

 must clear concrete security barriers that protect their buildings. Most Kabul streets are full of security barriers and large concrete anti-blast blocks aimed at protecting against the insurgent and terrorist attacks that have risen in the past four years since the fall of the Taliban regime. The decree follows pressure from the newly formed Afghan parliament
Politics of Afghanistan
The politics of Afghanistan consists of the Council of Ministers and the National Assembly, with a president serving as the head of state and commander-in-chief of the military. The nation is currently led by the Karzai administration under President Hamid Karzai who is backed by two vice...

 and public complaints over the heavy traffic jams caused by the barriers. The foreign groups are expressing concern and saying that the security situation does not permit that. The United Nations is one of the organizations concerned by the Afghan government's
Politics of Afghanistan
The politics of Afghanistan consists of the Council of Ministers and the National Assembly, with a president serving as the head of state and commander-in-chief of the military. The nation is currently led by the Karzai administration under President Hamid Karzai who is backed by two vice...

 order. UN chief spokesman in Kabul Adrian Edwards said that security barriers are still required. "We are in a difficult security environment which certainly hasn't improved during 2005", Edwards said. "There have been a number of suicide attacks. Within the UN here, I think none of us would wish to be behind these barricades, we would prefer things could be open as we are in some other countries. However, there have been necessary for our security, that's why they are there." The Afghan government has said it is determined to remove all the barricades. The directive of the government says that "blocking the footpaths, streets, and roads is illegal" and that no one has the right to create obstructions, the only exception being the presidential palace
Presidential Palace
A Presidential Palace is the official residence of the president in some countries. However, some countries do not call the official residence of a head of state a presidential palace...

.

Botswana

In 2003, Botswana
Botswana
Botswana, officially the Republic of Botswana , is a landlocked country located in Southern Africa. The citizens are referred to as "Batswana" . Formerly the British protectorate of Bechuanaland, Botswana adopted its new name after becoming independent within the Commonwealth on 30 September 1966...

 began building a 300 miles (482.8 km)-long electric fence along its border with Zimbabwe
Zimbabwe
Zimbabwe is a landlocked country located in the southern part of the African continent, between the Zambezi and Limpopo rivers. It is bordered by South Africa to the south, Botswana to the southwest, Zambia and a tip of Namibia to the northwest and Mozambique to the east. Zimbabwe has three...

. The official reason for the fence is to stop the spread of foot-and-mouth disease among livestock. Zimbabweans argue that the height of the fence is clearly intended to keep out people. Botswana has responded that the fence is designed to keep out cattle, and to ensure that entrants have their shoes disinfected at legal border crossings. Botswana also argued that the government continues to encourage legal movement into the country. Zimbabwe was unconvinced, and the barrier remains a source of tension between the two nations.

Brunei

Brunei
Brunei
Brunei , officially the State of Brunei Darussalam or the Nation of Brunei, the Abode of Peace , is a sovereign state located on the north coast of the island of Borneo, in Southeast Asia...

 is building a security fence along its 20-kilometer border with Limbang
Limbang
Limbang is a border town and the capital of Limbang District in the Limbang Division of northern Sarawak, East Malaysia, on the island of Borneo. The division has an area of 3,978.1 square kilometers, and a population of 42,600...

 to stop the flow of irregular migrants and smuggled goods.

People's Republic of China

The People's Republic of China
People's Republic of China
China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

 (PRC) has two Special Administrative Regions, namely Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 and Macau
Macau
Macau , also spelled Macao , is, along with Hong Kong, one of the two special administrative regions of the People's Republic of China...

 on its southeastern coast. Both of them maintain controlled intra-national borders with the neighbouring Guangdong province
Guangdong
Guangdong is a province on the South China Sea coast of the People's Republic of China. The province was previously often written with the alternative English name Kwangtung Province...

 in Mainland China
Mainland China
Mainland China, the Chinese mainland or simply the mainland, is a geopolitical term that refers to the area under the jurisdiction of the People's Republic of China . According to the Taipei-based Mainland Affairs Council, the term excludes the PRC Special Administrative Regions of Hong Kong and...

. An identity document
Identity document
An identity document is any document which may be used to verify aspects of a person's personal identity. If issued in the form of a small, mostly standard-sized card, it is usually called an identity card...

 is inspected when one crosses the border.

Hong Kong was a Dependent Territory of the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 until its sovereignty
Sovereignty
Sovereignty is the quality of having supreme, independent authority over a geographic area, such as a territory. It can be found in a power to rule and make law that rests on a political fact for which no purely legal explanation can be provided...

 was handed over to the PRC in 1997
Transfer of the sovereignty of Hong Kong
The transfer of sovereignty over Hong Kong from the United Kingdom to the People's Republic of China, referred to as ‘the Return’ or ‘the Reunification’ by the Chinese and ‘the Handover’ by others, took place on 1 July 1997...

, while Macau was a Special Territory of Portugal
Portugal
Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

 until its sovereignty was handed over to the PRC in 1999. Before the handover
Handover
In cellular telecommunications, the term handover or handoff refers to the process of transferring an ongoing call or data session from one channel connected to the core network to another...

s, the Hong Kong-Guangdong and Macau-Guangdong borders were regarded as international border
International Border
The India–Pakistan Border , known locally as the International Border , is the international boundary between India and Pakistan that demarcates the Indian states of Punjab, Rajasthan and Gujarat from the Pakistani provinces of Punjab and Sindh. Pakistan borders India in the east. The border...

s.

Under the principle of "One Country, Two Systems
One country, two systems
"One country, two systems" is an idea originally proposed by Deng Xiaoping, then Paramount Leader of the People's Republic of China , for the reunification of China during the early 1980s...

", the two Special Administrative Regions continue to maintain their own customs
Customs
Customs is an authority or agency in a country responsible for collecting and safeguarding customs duties and for controlling the flow of goods including animals, transports, personal effects and hazardous items in and out of a country...

 and immigration
Immigration
Immigration is the act of foreigners passing or coming into a country for the purpose of permanent residence...

 policies, which are independent of those in Mainland China after the handovers. Due to differences in the policies between the special administrative regions and the Mainland, the Hong Kong-Guandgong and Macau-Guangdong borders have been maintained in operation after the handovers.

Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 has a border stretching 32 km with the Shenzhen
Shenzhen
Shenzhen is a major city in the south of Southern China's Guangdong Province, situated immediately north of Hong Kong. The area became China's first—and one of the most successful—Special Economic Zones...

 Special Economic Zone
Special Economic Zone
A Special Economic Zone is a geographical region that has economic and other laws that are more free-market-oriented than a country's typical or national laws...

 of Guangdong that features fences, thermal image sensors, lights and closed-circuit television
Closed-circuit television
Closed-circuit television is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors....

. The border is also patrolled regularly by police. Just south of Shenzhen River (the geographical delimitation of the border) is a strip of rural land with restricted access, the 28 km² Closed Area
Closed Area
The Frontier Closed Area is a 28 km² area in Hong Kong along the border with mainland China. It was gazetted and established in June 1951, and expanded to its current limit in 1962...

. Currently, the four road border crossings are located at Sha Tau Kok
Sha Tau Kok
Sha Tau Kok or Shataukok or Sathewkok is a town in the northeastern corner of Hong Kong. Located on the border with mainland China, there is another town of same Chinese name, Shatoujiao, romanized using Hanyu Pinyin, across the Sham Chun River-defined border in Shenzhen of mainland...

, Man Kam To
Man Kam To
Man Kam To or Mankamto is a place in the North District, New Territories, Hong Kong near the border with Shenzhen of mainland China.-Border:...

, Lok Ma Chau
Lok Ma Chau
Lok Ma Chau or Lokmachau is a village in Hong Kong's New Territories and also a major pedestrian and road border crossing point between Hong Kong and mainland China. It lies just south of the Sham Chun River , which forms the border between Hong Kong and mainland China...

 and Shenzhen Bay
Shenzhen Bay Control Point
Shenzhen Bay Control Point is a Hong Kong immigration control point on its border with mainland China. It is housed in the same building with its mainland Chinese counterpart, the Shenzhen Bay Port....

, and a railway and traveller crossing is located at Lo Wu
Lo Wu
Lo Wu or Lowu is an area in North District, New Territories, Hong Kong. It lies on the borders between Hong Kong and mainland China, specifically the Luohu District of Shenzhen in mainland China. The area is most notable as the location of the most heavily used immigration control point for...

. The residents of the Hong Kong Special Administrative Region are required to have their Hong Kong ID Cards
Hong Kong Identity Card
The Hong Kong Identity Card is an official identity document issued by the Immigration Department of Hong Kong. The Hong Kong Permanent Identity Card is a class of HKID issued to Hong Kong residents who have the right of abode in Hong Kong SAR. According to the Registration of Persons Ordinance...

 inspected by the Hong Kong Immigration Department
Immigration Department
The Immigration Department of the Government of Hong Kong is responsible for immigration control of Hong Kong. After the People's Republic of China assumed sovereignty of the territory in July 1997, Hong Kong's immigration system remained largely unchanged from its British predecessor model...

 and their Home Return Permit
Home Return Permit
A ‘Home Return Permit’ , also referred to as a ‘Home Visit Permit’ or ‘China Back Home Pass’ , is the colloquial name for the national identity document officially known as the Mainland Travel Permit for Hong Kong and Macao Residents issued to PRC citizens who are permanent residents of Hong Kong...

s inspected by the Public Security Bureau
Public Security Bureau
In the People's Republic of China, a public security bureau refers to the government offices while the smaller offices are called Police posts which are similar in concept to the Japanese Kōban system) present in each province and municipality that handles policing , public security, and...

 of Guangdong when they cross the border.

Macau
Macau
Macau , also spelled Macao , is, along with Hong Kong, one of the two special administrative regions of the People's Republic of China...

 has been maintaining a 340-metre controlled border with Zhuhai City
Zhuhai
Zhuhai is a prefecture-level city on the southern coast of Guangdong province in the People's Republic of China. Located in the Pearl River Delta, Zhuhai borders Jiangmen to the northwest, Zhongshan to the north, and Macau to the south. Zhuhai was one of the original Special Economic Zones...

 in Guangdong with a crossing available at the Border Gate
Portas do Cerco
Portas do Cerco is an area on the Macau Peninsula , in the former Portuguese colony of Macau, now a Special Administrative Region of the People's Republic of China, near the border checkpoint with the rest of the People's Republic of China at Gongbei, Zhuhai, Guangdong Province...

 (built in 1870). The border crossing is equipped with 54 counters for travelers and 8 for vehicular traffic. Opened in 1999, the Lotus Bridge
Transportation in Macau
Transport in Macau includes road, sea and air transport. Road transport is the primary mode of transport within Macau itself, as there are no railways at present. The main forms of public transport are buses and taxis...

 in Macau
Macau
Macau , also spelled Macao , is, along with Hong Kong, one of the two special administrative regions of the People's Republic of China...

 supplemented what has been the only border crossing into mainland China through Border Gate. Both border crossings allow access into Zhuhai
Zhuhai
Zhuhai is a prefecture-level city on the southern coast of Guangdong province in the People's Republic of China. Located in the Pearl River Delta, Zhuhai borders Jiangmen to the northwest, Zhongshan to the north, and Macau to the south. Zhuhai was one of the original Special Economic Zones...

.

China, in October 2006, is also building a security barrier along its border with North Korea
North Korea
The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

 to prevent the illegal immigrants from North Korea.

Cyprus

Since 1974
Turkish invasion of Cyprus
The Turkish invasion of Cyprus, launched on 20 July 1974, was a Turkish military invasion in response to a Greek military junta backed coup in Cyprus...

 Turkey
Turkey
Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

 has constructed and maintains a separation barrier of 300 kilometres (186.4 mi) along the 1974 Green Line (or ceasefire line) dividing the Republic of Cyprus into two parts, in violation of multiple United Nations Security Council Resolution
United Nations Security Council Resolution
A United Nations Security Council resolution is a UN resolution adopted by the fifteen members of the Security Council; the UN body charged with "primary responsibility for the maintenance of international peace and security"....

s; the de facto
De facto
De facto is a Latin expression that means "concerning fact." In law, it often means "in practice but not necessarily ordained by law" or "in practice or actuality, but not officially established." It is commonly used in contrast to de jure when referring to matters of law, governance, or...

 Turkish controlled northern one-third of the Republic and the remaining southern two-thirds of Cyprus
Cyprus
Cyprus , officially the Republic of Cyprus , is a Eurasian island country, member of the European Union, in the Eastern Mediterranean, east of Greece, south of Turkey, west of Syria and north of Egypt. It is the third largest island in the Mediterranean Sea.The earliest known human activity on the...

 to separate Turkish and Greek Cypriot populations.
  • United Nations Buffer Zone in Cyprus
    United Nations Buffer Zone in Cyprus
    The United Nations Buffer Zone in Cyprus runs for more than along what is known as the Green Line and has an area of . The zone partitions the island of Cyprus into a southern area effectively controlled by the government of the Republic of Cyprus , and the northern area...


Egypt

A security fence around the Egyptian town of Sharm el-Sheik was constructed in response to a spate of terrorist attacks at the resort. Government officials say the fence, equipped with checkpoints to allow vehicles into the area, will deter terrorists. In addition South Sinai Governor Mustafa Afifi said the fence will help control the effect of heavy seasonal rains and will reduce the number of vehicle-camel crashes that occur on the Sharm el-Sheik highway.

The Rafah Border Crossing (Arabic: معبر رفح‎, Hebrew: מעבר רפיח‎) is an international border crossing between Egyptian and Palestinian-controlled Rafah. It was built by the Israeli and Egyptian governments after the 1979 Israel-Egypt Peace Treaty and 1982 Israeli withdrawal from the Sinai Peninsula, and was managed by the Israel Airports Authority until it was evacuated on 11 September 2005 as part of Israel's unilateral disengagement plan. It has since become the mission of the European Union Border Assistance Mission Rafah (EUBAM) to monitor the crossing.

Greece



After having made an agreement with Frontex
Frontex
Frontex is the European Union agency for external border security...

 on the guard of the maritime borders of Greece
Greece
Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

 with Turkey
Turkey
Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

 the Greek government decided a wall to be built at the land border with Turkey, the Evros River. These actions have been made as a reaction to the illegal immigration to Greece through the Greco-Turkish borders. These immigrants are originated from Muslim
Muslim world
The term Muslim world has several meanings. In a religious sense, it refers to those who adhere to the teachings of Islam, referred to as Muslims. In a cultural sense, it refers to Islamic civilization, inclusive of non-Muslims living in that civilization...

 Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

n and Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

n states. From January to the beginning of November 2010, 32,500 illegal migrants were intercepted in a single 12.5-kilometer stretch of the Turkish-Greek border along the Evros river. Actually this site is the main entrance of illegal immigrants to the EU from the Asian continent. Illegal immigration is a current subject between the two countries.

India

Since the mid-1990s, India has been involved in the construction of some of the lengthiest separation barriers along its international borders. Six of the nine countries neighboring India are classified as Least Developed Countries
Least Developed Countries
Least developed country is the name given to a country which, according to the United Nations, exhibits the lowest indicators of socioeconomic development, with the lowest Human Development Index ratings of all countries in the world...

. As a consequence, thousands of people from these countries, especially from Bangladesh
Bangladesh
Bangladesh , officially the People's Republic of Bangladesh is a sovereign state located in South Asia. It is bordered by India on all sides except for a small border with Burma to the far southeast and by the Bay of Bengal to the south...

, Nepal
Nepal
Nepal , officially the Federal Democratic Republic of Nepal, is a landlocked sovereign state located in South Asia. It is located in the Himalayas and bordered to the north by the People's Republic of China, and to the south, east, and west by the Republic of India...

 and Burma, illegally immigrate into India.

The Indo-Bangladeshi barrier and Indo-Burma barrier
Indo-Burma barrier
The Indo-Burma barrier is a separation barrier that India is presently constructing to seal off its -long border with Burma. India hopes to curtail cross-border crime, including goods, arms and counterfeit Indian currency smuggling, drug trafficking, and insurgency...

 are being built to check smuggling, illegal immigration and possible infiltration by terrorists.

In addition, India completed the construction of the Indian Kashmir barrier which runs along the Line of Control
Line of Control
The term Line of Control refers to the military control line between the Indian- and Pakistani-controlled parts of the former princely state of Jammu and Kashmir—a line which, to this day, does not constitute a legally recognized international boundary but is the de facto border...

 in Kashmir
Kashmir
Kashmir is the northwestern region of the Indian subcontinent. Until the mid-19th century, the term Kashmir geographically denoted only the valley between the Great Himalayas and the Pir Panjal mountain range...

. The purpose of this barrier is to prevent infiltration by Pakistan-based Azad Kashmiris to visit their families. The Indian government is also considering the construction of a barrier along the Indo-Pakistan border
International Border
The India–Pakistan Border , known locally as the International Border , is the international boundary between India and Pakistan that demarcates the Indian states of Punjab, Rajasthan and Gujarat from the Pakistani provinces of Punjab and Sindh. Pakistan borders India in the east. The border...

.

Iraq

On 10 April 2007, the U.S. military began constructing a 3.6 metre (12 ft) high concrete wall
Baghdad Wall
The Baghdad Wall is the name being given by some media outlets to a 5 km long separation barrier being built by the 2nd Brigade Combat Team, 82nd Airborne Division of the United States Army around the predominantly Sunni district of Adhamiya in Baghdad, Iraq. Construction of the 3.6 m high ...

 of 5 kilometres (3.1 mi) around the predominantly Sunni district of Adhamiya in Baghdad
Baghdad
Baghdad is the capital of Iraq, as well as the coterminous Baghdad Governorate. The population of Baghdad in 2011 is approximately 7,216,040...

.
  • Baghdad Wall
    Baghdad Wall
    The Baghdad Wall is the name being given by some media outlets to a 5 km long separation barrier being built by the 2nd Brigade Combat Team, 82nd Airborne Division of the United States Army around the predominantly Sunni district of Adhamiya in Baghdad, Iraq. Construction of the 3.6 m high ...


Israel

Due to Israel
Israel
The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

's specific situation of being at war and conflict with much of its Middle Eastern environment, separation barriers and walls have been and remain an issue of major military (and often also political) concern:
  • Jerusalem: During the 1950s and 1960s a fortified separation barrier also divided much of Jerusalem to separate Jordan
    Jordan
    Jordan , officially the Hashemite Kingdom of Jordan , Al-Mamlaka al-Urduniyya al-Hashemiyya) is a kingdom on the East Bank of the River Jordan. The country borders Saudi Arabia to the east and south-east, Iraq to the north-east, Syria to the north and the West Bank and Israel to the west, sharing...

    ian and Israeli-controlled sectors of the city. It was pulled down in the immediate aftermath of the 1967 Six Day War, when the eastern part of the city came under Israeli rule. Currently, the route of the separation barrier in Jerusalem cuts off residents of the Jerusalem municipality from Jerusalem proper.
  • Lebanon
    Lebanon
    Lebanon , officially the Republic of LebanonRepublic of Lebanon is the most common term used by Lebanese government agencies. The term Lebanese Republic, a literal translation of the official Arabic and French names that is not used in today's world. Arabic is the most common language spoken among...

     and Syria
    Syria
    Syria , officially the Syrian Arab Republic , is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the West, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest....

    : Israel's borders with Lebanon and Syria have sophisticated security barriers, including electronic surveillance and warning systems. The barrier along the Lebanese border follows the lines of the 1949 Armistice and was laid down in coordination with the UN, the government anxious to make clear that it had withdrawn completely from Lebanese territory (excepting the ongoing dispute on the Shaba Farms).
    • The barrier on the Syrian border on the Golan Heights reflects the situation in the aftermath of the Yom Kippur War
      Yom Kippur War
      The Yom Kippur War, Ramadan War or October War , also known as the 1973 Arab-Israeli War and the Fourth Arab-Israeli War, was fought from October 6 to 25, 1973, between Israel and a coalition of Arab states led by Egypt and Syria...

      , when Israel retained the territory conquered in 1967 except for handing back the town of Kuneitra. The Syrian government has repeatedly demanded the return of the entire Golan, but has made no specific issue of Israel erecting a security barrier along the border as it presently stands.
  • Egypt
    Egypt
    Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

    : Israel saw no need to fortify the Sinai Desert border with Egypt after the 1979 Israeli-Egyptian Peace Treaty. The fence along that border was always more a marker than an effective barrier, and has become rusty and swamped by shifting sand dunes. The porous border has become the scene of extensive drug trafficking and the smuggling of women, typically from Third World and East European countries, who are subsequently forced into prostitution
    Prostitution
    Prostitution is the act or practice of providing sexual services to another person in return for payment. The person who receives payment for sexual services is called a prostitute and the person who receives such services is known by a multitude of terms, including a "john". Prostitution is one of...

    , as well as the entry of various refugees, asylum-seekers and illegal immigrants from various African countries, notably Sudan
    Sudan
    Sudan , officially the Republic of the Sudan , is a country in North Africa, sometimes considered part of the Middle East politically. It is bordered by Egypt to the north, the Red Sea to the northeast, Eritrea and Ethiopia to the east, South Sudan to the south, the Central African Republic to the...

    ese fleeing the genocide
    Genocide
    Genocide is defined as "the deliberate and systematic destruction, in whole or in part, of an ethnic, racial, religious, or national group", though what constitutes enough of a "part" to qualify as genocide has been subject to much debate by legal scholars...

     in Darfur
    Darfur
    Darfur is a region in western Sudan. An independent sultanate for several hundred years, it was incorporated into Sudan by Anglo-Egyptian forces in 1916. The region is divided into three federal states: West Darfur, South Darfur, and North Darfur...

    . There were also isolated cases of infiltration by armed Palestinians, and apprehension that they would increase. In December 2005 the government of Israel proposed building a £200 million security barrier along the Egyptian border, but as of late 2007 the funds have not been actually allocated.
  • Jordan
    Jordan
    Jordan , officially the Hashemite Kingdom of Jordan , Al-Mamlaka al-Urduniyya al-Hashemiyya) is a kingdom on the East Bank of the River Jordan. The country borders Saudi Arabia to the east and south-east, Iraq to the north-east, Syria to the north and the West Bank and Israel to the west, sharing...

    : The border of Israel's territory with Jordan, mostly in the Negev
    Negev
    The Negev is a desert and semidesert region of southern Israel. The Arabs, including the native Bedouin population of the region, refer to the desert as al-Naqab. The origin of the word Neghebh is from the Hebrew root denoting 'dry'...

     Desert along the Arabah, is considered the most peaceful of the country's borders, due to traditional good relations with Jordan's Hashemite
    Hashemite
    Hashemite is the Latinate version of the , transliteration: Hāšimī, and traditionally refers to those belonging to the Banu Hashim, or "clan of Hashim", a clan within the larger Quraish tribe...

     Dynasty. In March 2004, Israel and Jordan commenced a joint project to build a desert science centre on their shared border. They have taken down a stretch of the border fence between the Red Sea
    Red
    Red is any of a number of similar colors evoked by light consisting predominantly of the longest wavelengths of light discernible by the human eye, in the wavelength range of roughly 630–740 nm. Longer wavelengths than this are called infrared , and cannot be seen by the naked eye...

     and the Dead Sea for the campus.
    • As well as the in the Negev, Israel also controls the West Bank
      West Bank
      The West Bank ) of the Jordan River is the landlocked geographical eastern part of the Palestinian territories located in Western Asia. To the west, north, and south, the West Bank shares borders with the state of Israel. To the east, across the Jordan River, lies the Hashemite Kingdom of Jordan...

      's border with Jordan in the Jordan Valley
      Jordan Valley (Middle East)
      The Jordan Valley forms part of the larger Jordan Rift Valley. It is 120 kilometers long and 15 kilometers wide, where it runs from Lake Tiberias in the north to northern Dead Sea in the south. It runs for an additional 155 kilometer south of the Dead Sea to Aqaba, an area also known as Wadi...

      . Along this border there is a security barrier with a two-way aim, designed to stop both infiltration from Jordan into the Israeli-controlled territory and the passage of West Bank Palestinians, uncontrolled by Israeli officials, into Jordan.
  • Occupied Territories
    Occupied territories
    Occupied territory is territory under military occupation. Occupation is a term of art in international law; in accordance with Article 42 of the Laws and Customs of War on Land ; October 18, 1907, territory is considered occupied when it is actually placed under the authority of the hostile army...

    : Israel's most critical and volatile relations are with its direct neighbors, the Palestinians, which are reflected in maintaining separation barriers between Israel proper and the Occupied Territories, with the declared aim of and subsequent success in preventing infiltration by suicide bombers.
    • The Israeli Gaza Strip barrier
      Israeli Gaza Strip barrier
      The Israel and Egypt − Gaza Strip barrier is a separation barrier first constructed by Israel in 1994 between the Gaza Strip and Israel. An addition to the barrier was finished in 2005 to separate the Gaza Strip and Egypt....

       involves a security barrier along Israel's 1949 Armistice lines
      1949 Armistice Agreements
      The 1949 Armistice Agreements are a set of agreements signed during 1949 between Israel and neighboring Egypt, Lebanon, Jordan, and Syria. The agreements ended the official hostilities of the 1948 Arab-Israeli War, and established armistice lines between Israeli forces and the forces in...

      . There is also the security barrier along the Gaza Strip's border with Egypt (see Philadelphi Route
      Philadelphi Route
      The Philadelphi Route refers to a narrow strip of land, 14 km in length, situated along the border between Gaza Strip and Egypt. Under the provisions of the Israeli-Egyptian peace treaty of 1979, the buffer zone was controlled and patrolled by Israeli forces. After the 1995 Oslo Accords,...

      ), erected when Israel was in direct military control of the area. Though Israeli forces were withdrawn in 2005, the Government of Israel retains a declared interest in the area, especially due to alleged large-scale smuggling of arms from Sinai into the Strip, and insists upon the Egyptians and Palestinians maintaining intact the barrier between their respective territories – such insistence backed by sometimes open threats to otherwise resume direct Israeli military control. This has been cited by Palestinians and others who assert that the Gaza Strip remains an Occupied Territory despite the Israeli Disengagement from Gaza
      Israel's unilateral disengagement plan
      Israel's unilateral disengagement plan , also known as the "Disengagement plan", "Gaza expulsion plan", and "Hitnatkut", was a proposal by Israeli Prime Minister Ariel Sharon, adopted by the government on June 6, 2004 and enacted in August 2005, to evict all Israelis from the Gaza Strip and from...

       in 2005.
    • The Israeli West Bank barrier
      Israeli West Bank barrier
      The Israeli West Bank barrier is a separation barrier being constructed by the State of Israel along and within the West Bank. Upon completion, the barrier’s total length will be approximately...

       is being built as a fence with wide margins and sophisticated electronic surveillance in rural areas, and an eight-meter-high wall in urban areas. Of all Israel's separation barriers, it is the most controversial – between Israelis and Palestinians, internationally, and also inside the Israeli society itself. The controversy stems mainly from the government's decision not to follow Israel's 1949 Armistice lines
      1949 Armistice Agreements
      The 1949 Armistice Agreements are a set of agreements signed during 1949 between Israel and neighboring Egypt, Lebanon, Jordan, and Syria. The agreements ended the official hostilities of the 1948 Arab-Israeli War, and established armistice lines between Israeli forces and the forces in...

       (Green Line
      Green Line (Israel)
      Green Line refers to the demarcation lines set out in the 1949 Armistice Agreements between Israel and its neighbours after the 1948 Arab-Israeli War...

      ) but rather build the barrier within the West Bank - in some stretches, deeply within. Opponents of the project (who usually call it "The Wall" rather than "Barrier" or "Fence") say that this proves its purpose is not to stop suicide bombers – which would be equally served by a fence along the Green Line – but by the intention, effectively, to annexe parts of the West Bank, especially those where Israeli settlement
      Israeli settlement
      An Israeli settlement is a Jewish civilian community built on land that was captured by Israel from Jordan, Egypt, and Syria during the 1967 Six-Day War and is considered occupied territory by the international community. Such settlements currently exist in the West Bank...

      s have been established, as well as water sources – and to define the future borders with Palestine unilaterally and ahead of negotiations. This position was supported by the International Court of Justice
      International Court of Justice
      The International Court of Justice is the primary judicial organ of the United Nations. It is based in the Peace Palace in The Hague, Netherlands...

       at The Hague
      The Hague
      The Hague is the capital city of the province of South Holland in the Netherlands. With a population of 500,000 inhabitants , it is the third largest city of the Netherlands, after Amsterdam and Rotterdam...

      , which ruled that Israel had the right to fortify its own border but that building a barrier inside an Occupied Territory constituted a violation of International Law
      International law
      Public international law concerns the structure and conduct of sovereign states; analogous entities, such as the Holy See; and intergovernmental organizations. To a lesser degree, international law also may affect multinational corporations and individuals, an impact increasingly evolving beyond...

      ; the government of Israel, however, disputes this interpretation and refuses to abide by this ruling. For its part, the Israeli Supreme Court held that building inside the West Bank is not illegal in itself, but ordered some changes to the route of the barrier where the judges considered the original route to cause severe damage to Palestinian daily life – especially in separating Palestinian villagers from their land. Some radical Israeli groups, such as Anarchists Against the Wall
      Anarchists Against the Wall
      Anarchists Against the Wall , sometimes called "Anarchists Against Fences" or "Jews Against Ghettos", is a direct action group composed of Israeli anarchists and anti-authoritarians who oppose the construction of the Israeli Gaza Strip barrier and Israeli West Bank barrier. The AAtW calls the West...

      , actively participate in protests against the barrier together with the villagers. As of late 2007, the barrier – originally slated to be completed by the end of 2005 – is far from complete, and further construction was stopped, officially for lack of funds.

Korea

South Korea
South Korea
The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...

 has constructed a separation barrier between its territory and North Korea to obstruct any southward movement by the army of North Korea.
The border features:
  • Panmunjeom
    Panmunjeom
    Panmunjom, located in Gyeonggi Province, is a village on the de facto border between North and South Korea, where the 1953 Korean Armistice Agreement that ended the Korean War was signed. The building where the armistice was signed still stands, though it is on the northern side of the Military...

  • Military Demarcation Line
    Military Demarcation Line (Korea)
    The Military Demarcation Line , sometimes referred to as the Armistice Line, is the land border or demarcation line between North Korea and South Korea. On either side of the line is the Korean Demilitarized Zone...

  • Korean Demilitarized Zone
    Korean Demilitarized Zone
    The Korean Demilitarized Zone is a strip of land running across the Korean Peninsula that serves as a buffer zone between North and South Korea. The DMZ cuts the Korean Peninsula roughly in half, crossing the 38th parallel on an angle, with the west end of the DMZ lying south of the parallel and...

  • Korean wall

Morocco

Morocco
Morocco
Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

 has constructed a separation barrier in Western Sahara
Western Sahara
Western Sahara is a disputed territory in North Africa, bordered by Morocco to the north, Algeria to the northeast, Mauritania to the east and south, and the Atlantic Ocean to the west. Its surface area amounts to . It is one of the most sparsely populated territories in the world, mainly...

 to keep the guerrilla fighters of Polisario out.
  • Moroccan Wall
    Moroccan Wall
    The Berm of Western Sahara is an approximately 2,700 km-long defensive structure, mostly a sand wall , running through Western Sahara and the southeastern portion of Morocco...


Northern Ireland

In Belfast
Belfast
Belfast is the capital of and largest city in Northern Ireland. By population, it is the 14th biggest city in the United Kingdom and second biggest on the island of Ireland . It is the seat of the devolved government and legislative Northern Ireland Assembly...

, Derry
Derry
Derry or Londonderry is the second-biggest city in Northern Ireland and the fourth-biggest city on the island of Ireland. The name Derry is an anglicisation of the Irish name Doire or Doire Cholmcille meaning "oak-wood of Colmcille"...

 and other settlements in Northern Ireland
Northern Ireland
Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...

, barriers called "peace lines
Peace lines
The peace lines or peace walls are a series of separation barriers in Northern Ireland that separate Catholic and Protestant neighbourhoods. They have been built at urban interface areas in Belfast, Derry, Portadown and elsewhere...

" have been built to separate the two main communities. Their purpose is to minimize inter-communal violence between Irish nationalists
Irish nationalism
Irish nationalism manifests itself in political and social movements and in sentiment inspired by a love for Irish culture, language and history, and as a sense of pride in Ireland and in the Irish people...

/republicans
Irish Republicanism
Irish republicanism is an ideology based on the belief that all of Ireland should be an independent republic.In 1801, under the Act of Union, the Kingdom of Great Britain and the Kingdom of Ireland merged to form the United Kingdom of Great Britain and Ireland...

 (who mainly self-identify as Irish
Irish people
The Irish people are an ethnic group who originate in Ireland, an island in northwestern Europe. Ireland has been populated for around 9,000 years , with the Irish people's earliest ancestors recorded having legends of being descended from groups such as the Nemedians, Fomorians, Fir Bolg, Tuatha...

 and/or Catholic) and unionists
Unionism in Ireland
Unionism in Ireland is an ideology that favours the continuation of some form of political union between the islands of Ireland and Great Britain...

/loyalists
Ulster loyalism
Ulster loyalism is an ideology that is opposed to a united Ireland. It can mean either support for upholding Northern Ireland's status as a constituent part of the United Kingdom , support for Northern Ireland independence, or support for loyalist paramilitaries...

 (who mainly self-identify as British
British people
The British are citizens of the United Kingdom, of the Isle of Man, any of the Channel Islands, or of any of the British overseas territories, and their descendants...

 and/or Protestant). They were first built following the 1969 riots
1969 Northern Ireland Riots
During 12–17 August 1969, Northern Ireland was rocked by intense political and sectarian rioting. There had been sporadic violence throughout the year arising from the civil rights campaign, which was demanding an end to government discrimination against Irish Catholics and nationalists...

 and beginning of the "Troubles
The Troubles
The Troubles was a period of ethno-political conflict in Northern Ireland which spilled over at various times into England, the Republic of Ireland, and mainland Europe. The duration of the Troubles is conventionally dated from the late 1960s and considered by many to have ended with the Belfast...

". They have continued to be built and expanded since the Belfast Agreement
Belfast Agreement
The Good Friday Agreement or Belfast Agreement , sometimes called the Stormont Agreement, was a major political development in the Northern Ireland peace process...

 of 1998.

Pakistan

In September 2005, Pakistan
Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

 stated it has plans to build a 1500 miles (2,414 km) fence along its border with Afghanistan
Afghanistan
Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

 to prevent Islamic insurgents and drug smugglers slipping between the two countries. Former Pakistani President Pervez Musharraf
Pervez Musharraf
Pervez Musharraf , is a retired four-star general who served as the 13th Chief of Army Staff and tenth President of Pakistan as well as tenth Chairman of the Joint Chiefs of Staff Committee. Musharraf headed and led an administrative military government from October 1999 till August 2007. He ruled...

 has subsequently offered to mine the border as well.

Russia

There is an electronic security barrier (ex-"Iron Curtain") along the old Soviet border. Also, a security barrier is on the border of Russia with Norway, Finland, China, Mongolia and North Korea. There is no barrier on Russian territory along the border with Estonia, Latvia, Belarus, or Ukraine, but there are some barriers on Estonian, Latvian and Ukrainian territory along the Russian border.
It was reported in 2005 that the Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n government was considering the construction of a security barrier along its border with Chechnya
Chechnya
The Chechen Republic , commonly referred to as Chechnya , also spelled Chechnia or Chechenia, sometimes referred to as Ichkeria , is a federal subject of Russia . It is located in the southeastern part of Europe in the Northern Caucasus mountains. The capital of the republic is the city of Grozny...

 as part of its efforts to combat terrorism.

Saudi Arabia

Saudi Arabia
Saudi Arabia
The Kingdom of Saudi Arabia , commonly known in British English as Saudi Arabia and in Arabic as as-Sa‘ūdiyyah , is the largest state in Western Asia by land area, constituting the bulk of the Arabian Peninsula, and the second-largest in the Arab World...

 has begun construction of a separation barrier or fence between its territory and Yemen
Yemen
The Republic of Yemen , commonly known as Yemen , is a country located in the Middle East, occupying the southwestern to southern end of the Arabian Peninsula. It is bordered by Saudi Arabia to the north, the Red Sea to the west, and Oman to the east....

 to prevent the unauthorized movement of people and goods into and out of the Kingdom.
  • Saudi-Yemen barrier
    Saudi-Yemen barrier
    The Saudi–Yemen barrier is a physical barrier constructed by Saudi Arabia along part of its border with Yemen. It consists of a network of sandbags and pipelines, three metres high, filled with concrete and fitted with electronic detection equipment.When construction of the barrier began in...



In 2006 Saudi Arabia proposed plans for the construction of a security fence along the entire length of its desert border of 900 kilometres (559.2 mi) with Iraq in a multi-million dollar project to secure the Kingdom's borders in order to improve internal security, control illegal immigration and bolster its defences against external threats.
  • Saudi-Iraq barrier

As of July 2009 it was reported that Saudis will pay $3.5 billion for security fence.

South Africa

In 1975 a security fence of 120 kilometres (74.6 mi) was erected by South Africa
South Africa
The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

 to keep the violent revolution in Mozambique
Mozambique
Mozambique, officially the Republic of Mozambique , is a country in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west and Swaziland and South Africa to the southwest...

 from spilling into Kruger National Park
Kruger National Park
Kruger National Park is one of the largest game reserves in Africa. It covers and extends from north to south and from east to west.To the west and south of the Kruger National Park are the two South African provinces of Limpopo and Mpumalanga. In the north is Zimbabwe, and to the east is...

. http://home.telkomsa.net/leveypa/Kruger/imagepages/Dsc00042.html
In 1990 it was reported:
A treaty signed on December 9, 2002 by the presidents of three countries - South Africa, Mozambique, and Zimbabwe allowed for the fence to be torn down in order to open the ancient elephant
Elephant
Elephants are large land mammals in two extant genera of the family Elephantidae: Elephas and Loxodonta, with the third genus Mammuthus extinct...

 migration route between South Africa and Mozambique which was disrupted by the fence. The Great Limpopo Transfrontier Park
Great Limpopo Transfrontier Park
Great Limpopo Transfrontier Park is a 35,000 km² peace park that is in the process of being formed. It will link the Limpopo National Park in Mozambique, Kruger National Park in South Africa, Gonarezhou National Park, Manjinji Pan Sanctuary and Malipati Safari Area in Zimbabwe, as well as the...

 of 35000 square kilometres (13,513.6 sq mi) will connect the parks of three countries: South Africa's Kruger National Park
Kruger National Park
Kruger National Park is one of the largest game reserves in Africa. It covers and extends from north to south and from east to west.To the west and south of the Kruger National Park are the two South African provinces of Limpopo and Mpumalanga. In the north is Zimbabwe, and to the east is...

, Mozambique's Limpopo National Park
Limpopo National Park
The Limpopo National Park was born when the status of Coutada 16 Wildlife Utilisation Area in Gaza Province, Mozambique, was changed from a hunting concession to a protected area....

, and Zimbabwe's Gonarezhou National Park
Gonarezhou National Park
Gonarezhou National Park is a National Park located in south-eastern Zimbabwe. It is situated in a relatively remote corner of Masvingo Province, south of Chimanimani along the Mozambique border. The park is a lowveld region of baobabs, scrublands and sandstone cliffs...

.

In 2005 it was reported that only a relatively small portion of the high-security border fence separating South Africa's Kruger National Park with Zimbabwe's Gonarezhou Park has been removed. Security concerns, especially about illegal immigrants and the smuggling of weapons and four-wheel-drive vehicles, have been hindering the removal of more sections of the border fence between the Kruger and Limpopo parks.

Spain

The European Union
European Union
The European Union is an economic and political union of 27 independent member states which are located primarily in Europe. The EU traces its origins from the European Coal and Steel Community and the European Economic Community , formed by six countries in 1958...

 and Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 have constructed barriers between the Spanish exclaves of Ceuta
Ceuta
Ceuta is an autonomous city of Spain and an exclave located on the north coast of North Africa surrounded by Morocco. Separated from the Iberian peninsula by the Strait of Gibraltar, Ceuta lies on the border of the Mediterranean Sea and the Atlantic Ocean. Ceuta along with the other Spanish...

 and Melilla
Melilla
Melilla is a autonomous city of Spain and an exclave on the north coast of Morocco. Melilla, along with the Spanish exclave Ceuta, is one of the two Spanish territories located in mainland Africa...

 and Morocco
Morocco
Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

 to prevent illegal immigration and smuggling.
  • Ceuta border fence
    Ceuta border fence
    The Ceuta border fence is a separation barrier between Morocco and Spain at Ceuta, a city in the North African coast. Constructed by Spain, its purpose is to stop illegal immigration and smuggling....

  • Melilla border fence
    Melilla border fence
    The Melilla border fence is a separation barrier between Morocco and the Spanish city of Melilla. Constructed by Spain, its stated purpose is to stop illegal immigration and smuggling.-Recent history:...



Even though both the United Kingdom and Spain are part of the European Union, the border fence separating Gibraltar
Gibraltar
Gibraltar is a British overseas territory located on the southern end of the Iberian Peninsula at the entrance of the Mediterranean. A peninsula with an area of , it has a northern border with Andalusia, Spain. The Rock of Gibraltar is the major landmark of the region...

 and Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 is still relevant since Gibraltar is not part of the Schengen Area
Schengen Area
The Schengen Area comprises the territories of twenty-five European countries that have implemented the Schengen Agreement signed in the town of Schengen, Luxembourg, in 1985...

 and is outside of the customs union and VAT area. The border crossing is open twenty-four hours a day to facilitate customs collection by Spain.

Thailand

Thailand
Thailand
Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

 plans to build a concrete fence along parts of its border with Malaysia to keep Muslim militants and dual citizens from crossing Thailand's southern border with Malaysia.
  • Thai-Malay barrier

United Arab Emirates

The UAE is building a security barrier along its border with Oman
Oman
Oman , officially called the Sultanate of Oman , is an Arab state in southwest Asia on the southeast coast of the Arabian Peninsula. It is bordered by the United Arab Emirates to the northwest, Saudi Arabia to the west, and Yemen to the southwest. The coast is formed by the Arabian Sea on the...

.
  • United Arab Emirates-Oman barrier
    United Arab Emirates-Oman barrier
    The United Arab Emirates-Oman barrier is a separation barrier constructed by United Arab Emirates along its border with Oman in an effort to curb the flow of illegal migrants, illicit drugs and terrorists into the country....


United Nations

The United Nations has constructed a demilitarized zone to stop Iraq
Iraq
Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

 from re-invading Kuwait
Kuwait
The State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It is bordered by Saudi Arabia to the south at Khafji, and Iraq to the north at Basra. It lies on the north-western shore of the Persian Gulf. The name Kuwait is derived from the...

; Kuwait plans to install a new separation barrier as well.
  • Kuwait/Iraq Separation barrier
    Kuwait/Iraq Separation barrier
    The Kuwait-Iraq barrier is a separation barrier extending six miles into Iraq, three miles into Kuwait, and across the full length of their mutual border from Saudi Arabia to the Persian Gulf...


United States

The United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 has constructed a separation barrier along 130 kilometres (80.8 mi) of its border with Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 of 3169 kilometres (1,969.1 mi) to prevent unauthorized immigration into the United States and to deter smuggling of contraband, particularly illegal drugs. There has been legislation in the U.S. Congress on lengthening the barrier, but progress has been slow, both from lobbying and lack of funding.
  • United States–Mexico barrier
    United States–Mexico barrier
    The Mexico–United States barrier — also known in the United States as the border fence or border wall — is actually several separation barriers designed to prevent illegal movement across the Mexico – United States border...


Uzbekistan

In 1999 Uzbekistan
Uzbekistan
Uzbekistan , officially the Republic of Uzbekistan is a doubly landlocked country in Central Asia and one of the six independent Turkic states. It shares borders with Kazakhstan to the west and to the north, Kyrgyzstan and Tajikistan to the east, and Afghanistan and Turkmenistan to the south....

 began construction of a barbed wire fence to secure their border with Kyrgyzstan
Kyrgyzstan
Kyrgyzstan , officially the Kyrgyz Republic is one of the world's six independent Turkic states . Located in Central Asia, landlocked and mountainous, Kyrgyzstan is bordered by Kazakhstan to the north, Uzbekistan to the west, Tajikistan to the southwest and China to the east...

.
  • Uzbek-Kyrgyzstan barrier
    Uzbek-Kyrgyzstan barrier
    The Uzbekistan–Kyrgyzstan barrier is a separation barrier built by Uzbekistan along its border with Kyrgyzstan to prevent terrorist infiltration. Constructiion began in 1999 after bomb attacks in the Uzbek capital of Tashkent were blamed on Islamic terrorists originating from Kyrgyzstan...


In 2001 Uzbekistan fortified the border fence with Afghanistan
Afghanistan
Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

.
  • Uzbek-Afghanistan barrier
    Uzbek-Afghanistan barrier
    The Uzbekistan–Afghanistan barrier is a separation barrier built by Uzbekistan along its 130-mile border with Afghanistan. It is most heavily guarded border in the world, second only to the barrier between North and South Korea. It consists of a barbed wire fence and a second, taller, 380-volt...


Separation barriers in history

  • Great Wall of China
    Great Wall of China
    The Great Wall of China is a series of stone and earthen fortifications in northern China, built originally to protect the northern borders of the Chinese Empire against intrusions by various nomadic groups...

  • Iron Curtain
    Iron Curtain
    The concept of the Iron Curtain symbolized the ideological fighting and physical boundary dividing Europe into two separate areas from the end of World War II in 1945 until the end of the Cold War in 1989...

    , including:
    • Berlin Wall
      Berlin Wall
      The Berlin Wall was a barrier constructed by the German Democratic Republic starting on 13 August 1961, that completely cut off West Berlin from surrounding East Germany and from East Berlin...

    • inner German border
    • German-Czech Border
      Czechoslovakian border fortifications during the Cold War
      The border of the Czechoslovak Socialist Republic to Western Europe, mainly to NATO-member Federal Republic of Germany , was during the Cold War until 1989 as fortified as the Inner German border of the German Democratic Republic, to prevent citizens of the Eastern Bloc from escaping to the West,...

  • A counterpart wall to the Great Wall in the south called the Southern Great Wall was erected to protect and divide the Chinese
    Han Chinese
    Han Chinese are an ethnic group native to China and are the largest single ethnic group in the world.Han Chinese constitute about 92% of the population of the People's Republic of China , 98% of the population of the Republic of China , 78% of the population of Singapore, and about 20% of the...

     from the 'southern barbarians' called Miao
    Hmong people
    The Hmong , are an Asian ethnic group from the mountainous regions of China, Vietnam, Laos, and Thailand. Hmong are also one of the sub-groups of the Miao ethnicity in southern China...

     (meaning barbaric and nomadic).
  • Great Wall of Gorgan
    Great Wall of Gorgan
    The Great Wall of Gorgan is a series of ancient defensive fortifications located near Gorgan in the Golestān Province of northeastern Iran, at the southeastern part of the Caspian Sea...

  • Great Wall of Goryeo
  • Hadrian's Wall
    Hadrian's Wall
    Hadrian's Wall was a defensive fortification in Roman Britain. Begun in AD 122, during the rule of emperor Hadrian, it was the first of two fortifications built across Great Britain, the second being the Antonine Wall, lesser known of the two because its physical remains are less evident today.The...

  • Zanja de Alsina
    Zanja de Alsina
    Zanja de Alsina were a system of trenches and wooden watchtowers built in the centre and south of the Buenos Aires Province to defend the territories of the federal government against Mapuches malones. The three-meter wide trench was reinforced with 80 small strongholds and garrisons, called...

    , built in the 1870s along the southern frontier of Argentina
    Argentina
    Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

  • Antonine Wall
    Antonine Wall
    The Antonine Wall is a stone and turf fortification built by the Romans across what is now the Central Belt of Scotland, between the Firth of Forth and the Firth of Clyde. Representing the northernmost frontier barrier of the Roman Empire, it spanned approximately 39 miles and was about ten feet ...

  • Limes Germanicus
    Limes Germanicus
    The Limes Germanicus was a line of frontier fortifications that bounded the ancient Roman provinces of Germania Inferior, Germania Superior and Raetia, dividing the Roman Empire and the unsubdued Germanic tribes from the years 83 to about 260 AD...

  • Limes Saxoniae
    Limes Saxoniae
    The Limes Saxoniae , also known as the Limes Saxonicus or Sachsenwall , was a limes or border between the Saxons and the Slavic Obotrites, established about 810 in present-day Schleswig-Holstein....

  • Gates of Alexander
    Gates of Alexander
    The Gates of Alexander was a legendary barrier supposedly built by Alexander the Great in the Caucasus to keep the uncivilized barbarians of the north from invading the land to the south. The gates were a popular subject in medieval travel literature, starting with the Alexander Romance in a...

  • Offa's Dyke
    Offa's Dyke
    Offa's Dyke is a massive linear earthwork, roughly followed by some of the current border between England and Wales. In places, it is up to wide and high. In the 8th century it formed some kind of delineation between the Anglian kingdom of Mercia and the Welsh kingdom of Powys...

  • Danevirke
    Danevirke
    The Danevirke The Danevirke The Danevirke (modern Danish spelling: Dannevirke; in Old Norse Danavirki ; in German Danewerk ; is a system of Danish fortifications in Schleswig-Holstein (Northern Germany). This important linear defensive earthwork was constructed across the neck of the Cimbrian...

  • Götavirke
    Götavirke
    Götavirke are the remains of two parallel defensive walls going from north to south between the villages of Västra Husby and Hylinge in Östergötland, Sweden. The walls cover the distance between the lakes Asplången and Lillsjön . North of Asplången there are remains of several ancient hill...

  • Willow Palisade
    Willow Palisade
    Willow Palisade was a system of ditches and embankments planted with willows intended to restrict movement into Manchuria, built by the Qing Dynasty during the later 17th century...

  • Zasechnaya cherta
  • Chinese city wall
    Chinese city wall
    Chinese city walls refer to civic defensive systems used to protect towns and cities in China in pre-modern times. The system consisted of walls, towers, and gates, which were often built to a uniform standard throughout the Empire....

    s
  • Panama Canal fence
    Panama Canal fence
    The Panama Canal fence, also known as the "Fence of shame", is a separation barrier built by the US in the Panama Canal zone that divided the Republic of Panama in two separate sections. Its construction started at the end of the 1950s when Panamanian students threatened with a "patriotic invasion"...

  • Great Hedge of India
  • Between Russia (Soviet Union
    Soviet Union
    The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

    ) and Finland
    Finland
    Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

    /Norway
    Norway
    Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

     there was a fence on the Soviet side along the entire border (more than 1000 km) during the Cold war
    Cold War
    The Cold War was the continuing state from roughly 1946 to 1991 of political conflict, military tension, proxy wars, and economic competition between the Communist World—primarily the Soviet Union and its satellite states and allies—and the powers of the Western world, primarily the United States...

    . Along the Finnish border it was not so well guarded since Finland agreed to send back all Russians who escaped. The fence was located a few km from the border, and still partly remains, even though the border controls are open now. It is still forbidden according by Russian law to pass the border except through a border station.

See also

  • Defensive wall
    Defensive wall
    A defensive wall is a fortification used to protect a city or settlement from potential aggressors. In ancient to modern times, they were used to enclose settlements...

    s
  • List of fortifications
  • List of walls
  • List of cities with defensive walls
  • Buffer zone
    Buffer zone
    A buffer zone is generally a zonal area that lies between two or more other areas , but depending on the type of buffer zone, the reason for it may be to segregate regions or to conjoin them....

  • Marches
    Marches
    A march or mark refers to a border region similar to a frontier, such as the Welsh Marches, the borderland between England and Wales. During the Frankish Carolingian Dynasty, the word spread throughout Europe....


External links

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