A peninsula is a piece of land that is bordered by water on three sides but connected to mainland. In many Germanic and Celtic languages and also in Baltic, Slavic and Hungarian, peninsulas are called "half-islands"....
in Southeast Asia
Southeast Asia, South-East Asia, South East Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies on the intersection of geological plates, with heavy seismic...
. The land mass runs approximately north-south and, at its terminus, is the southern-most point of the Asian mainland. The area contains the southernmost tip of Burma, Peninsular Malaysia
Peninsular Malaysia , also known as West Malaysia , is the part of Malaysia which lies on the Malay Peninsula. Its area is . It shares a land border with Thailand in the north. To the south is the island of Singapore. Across the Strait of Malacca to the west lies the island of Sumatra...
Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...
, and Southern Thailand
Southern Thailand is a distinct region of Thailand, connected with the Central region by the narrow Kra Isthmus.-Geography:Southern Thailand is located on the Malay Peninsula, with an area around 70,713 km², bounded to the north by Kra Isthmus as the narrowest part of the peninsula. The...
The Titiwangsa Mountains
The Titiwangsa Mountains are the main mountain range that forms the backbone of the Malay Peninsula.-Geology:...
are part of the Tenasserim Hills
Tenasserim Hills or Tenasserim Range is the geographical name of a mountain chain in Southeast Asia. Despite their relatively scant altitude these mountains form an effective barrier between Thailand and Burma in their northern and central region, extending to the Kra Isthmus into the Malay...
system, and form the backbone of the Peninsula. They form the southernmost section of the central cordillera which runs from Tibet
Tibet is a plateau region in Asia, north-east of the Himalayas. It is the traditional homeland of the Tibetan people as well as some other ethnic groups such as Monpas, Qiang, and Lhobas, and is now also inhabited by considerable numbers of Han and Hui people...
through the Kra Isthmus
The Kra Isthmus is the narrow land bridge which connects the Malay Peninsula with the mainland of Asia, and popularly named "The Devil's Neck".-Geography:...
(the Peninsula's narrowest point) into the Malay peninsula.