Circuit (subnational entity)
Encyclopedia
A circuit was a historical political division
History of the political divisions of China
The history of the administrative divisions of China is quite complex. Across history, what is called 'China' has taken many shapes, and many political organizations...

 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...

, and is still a Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

ese one. In Korea
Korea
Korea ) is an East Asian geographic region that is currently divided into two separate sovereign states — North Korea and South Korea. Located on the Korean Peninsula, Korea is bordered by the People's Republic of China to the northwest, Russia to the northeast, and is separated from Japan to the...

, the same word is translated as "province
Province
A province is a territorial unit, almost always an administrative division, within a country or state.-Etymology:The English word "province" is attested since about 1330 and derives from the 13th-century Old French "province," which itself comes from the Latin word "provincia," which referred to...

".

China

Circuits originated in China in 627, when Emperor Taizong subdivided China into ten circuits. These were originally meant to be purely geographic and not administrative. Emperor Xuanzong further added five. Slowly, the circuits strengthened their own power, until they became powerful regional forces that tore the country apart during the Five Dynasties and Ten Kingdoms Period
Five Dynasties and Ten Kingdoms Period
Five Dynasties and Ten Kingdoms was between 907–960/979 AD and an era of political upheaval in China, between the fall of the Tang Dynasty and the founding of the Song Dynasty. During this period, five dynasties quickly succeeded one another in the north, and more than 12 independent states were...

. During the Later Jin
Later Jin Dynasty (Five Dynasties)
Note that there are four periods of Chinese history using the name "Jin" The Later Jìn was one of the Five Dynasties during the Five Dynasties and Ten Kingdoms Period in China. It was founded by Shi Jingtang, posthumously known as Gaozu of Later Jin...

 and Song
Song Dynasty
The Song Dynasty was a ruling dynasty in China between 960 and 1279; it succeeded the Five Dynasties and Ten Kingdoms Period, and was followed by the Yuan Dynasty. It was the first government in world history to issue banknotes or paper money, and the first Chinese government to establish a...

 dynasties, circuits were renamed from dao to lu , both of which literally mean "road" or "path". Dao were revived during the Yuan Dynasty
Yuan Dynasty
The Yuan Dynasty , or Great Yuan Empire was a ruling dynasty founded by the Mongol leader Kublai Khan, who ruled most of present-day China, all of modern Mongolia and its surrounding areas, lasting officially from 1271 to 1368. It is considered both as a division of the Mongol Empire and as an...

.

At first, circuits were the highest of the three-tier administrative system of China; the next two were prefectures or zhou
Zhou (political division)
Zhou were historical political divisions of China. Formally established during the Han Dynasty, zhou continued to exist until the establishment of the Republic of China — a period of over 2000 years...

and counties . They are simultaneously inspection areas ( jiān chá qū). Circuits were demoted to the second-level after the Yuan Dynasty
Yuan Dynasty
The Yuan Dynasty , or Great Yuan Empire was a ruling dynasty founded by the Mongol leader Kublai Khan, who ruled most of present-day China, all of modern Mongolia and its surrounding areas, lasting officially from 1271 to 1368. It is considered both as a division of the Mongol Empire and as an...

 established provinces at the very top, and remained there for the next several centuries.

Circuits still existed as high-level, though not top-level, divisions of the Republic of China
Republic of China
The Republic of China , commonly known as Taiwan , is a unitary sovereign state located in East Asia. Originally based in mainland China, the Republic of China currently governs the island of Taiwan , which forms over 99% of its current territory, as well as Penghu, Kinmen, Matsu and other minor...

, such as Qiongya Circuit (now Hainan Province). In 1928, all circuits were replaced with committees or just completely abandoned.

Japan

During the pre-modern era, Japan was divided into seven circuits encompassing the islands of Honshū
Honshu
is the largest island of Japan. The nation's main island, it is south of Hokkaido across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyushu across the Kanmon Strait...

, Shikoku
Shikoku
is the smallest and least populous of the four main islands of Japan, located south of Honshū and east of the island of Kyūshū. Its ancient names include Iyo-no-futana-shima , Iyo-shima , and Futana-shima...

, Kyūshū
Kyushu
is the third largest island of Japan and most southwesterly of its four main islands. Its alternate ancient names include , , and . The historical regional name is referred to Kyushu and its surrounding islands....

. The seven defunct circuits spread all over the three islands:
  • Tōkaidō
    Tokaido (region)
    The was originally an old Japanese geographical region that made up the gokishichidō system and was situated along the southeastern edge of Honshū, its name literally meaning 'Eastern Sea Way'....

      "East Sea Circuit": 15 provinces
    Provinces of Japan
    Before the modern prefecture system was established, the land of Japan was divided into tens of kuni , usually known in English as provinces. Each province was divided into gun ....

     (kuni)
  • Nankaidō
    Nankaido
    The , literally meaning "southern sea road," is a Japanese term denoting both an ancient division of the country and the main road running through it. The road connected provincial capitals in this region...

      "South Sea Circuit": 6 provinces
  • Saikaidō
    Saikaido
    , literally meaning "western sea circuit," is a Japanese term denoting both an ancient division of the country and the main road running through it. Saikaido was one of the main circuits of the Gokishichidō system, which was originally established during the Asuka Period.This name identified the...

      "West Sea Circuit": 8 provinces
  • Hokurikudō
    Hokurikudo
    is a Japanese term denoting both an ancient division of the country and the main road running through the old Japanese geographical region. Both were situated along the northwestern edge of Honshū. The name literally means 'North Land Way'...

      "North Land Circuit": 7 provinces
  • San'indō
    San'indo
    is a Japanese term denoting both an ancient division of the country and the main road running through it. San'in translates to "the shaded side of a mountain", while dō, depending on the context, can mean either a road, or a circuit, in the sense of delineating a region...

      "Mountain-north Circuit": 8 provinces
  • San'yōdō
    San'yodo
    is a Japanese term denoting both an ancient division of the country and the main road running through it. The San'yōdō corresponds for the most part with the modern conception of the San'yō region,San'yō translates to "the sunlight-side of a mountain", while dō, depending on the context, can mean...

      "Mountain-south Circuit": 8 provinces
  • Tōsandō
    Tosando
    was an old Japanese geographical region that made up the gokishichidō system and was situated along the central mountains of northern Honshū, Tōhoku region....

      "East Mountain Circuit": 13 provinces


(For the mountain south-north reference with in and , see Yin Yang.)

In the mid-19th century, the northern island of Ezo
Ezo
is a Japanese name which historically referred to the lands to the north of Japan. It was used in various senses, sometimes meaning the northern Japanese island of Hokkaidō, and sometimes meaning lands and waters further north in the Sea of Okhotsk, like Sakhalin and the Kuril Islands...

 was settled, and renamed . However, Hokkaido was never a "circuit" in the classical sense. It was essentially a prefecture
Prefectures of Japan
The prefectures of Japan are the country's 47 subnational jurisdictions: one "metropolis" , Tokyo; one "circuit" , Hokkaidō; two urban prefectures , Osaka and Kyoto; and 43 other prefectures . In Japanese, they are commonly referred to as...

 with a different name from the other prefectures.

Korea

Since the late 10th century, the do (“province”) has been the primary administrative division
Administrative division
An administrative division, subnational entity, or country subdivision is a portion of a country or other political division, established for the purpose of government. Administrative divisions are each granted a certain degree of autonomy, and are required to manage themselves through their own...

 in Korea
Korea
Korea ) is an East Asian geographic region that is currently divided into two separate sovereign states — North Korea and South Korea. Located on the Korean Peninsula, Korea is bordered by the People's Republic of China to the northwest, Russia to the northeast, and is separated from Japan to the...

. See Eight Provinces
Eight Provinces (Korea)
During most of the Joseon Dynasty, Korea was divided into eight provinces . The eight provinces' boundaries remained unchanged for almost five centuries from 1413 to 1895, and formed a geographic paradigm that is still reflected today in the Korean Peninsula's administrative divisions, dialects,...

, Provinces of Korea
Provinces of Korea
This article describes the historical development of Korea's provinces . For detailed information on current administrative divisions, please see Administrative divisions of North Korea and Administrative divisions of South Korea....

, Subdivisions of South Korea and Administrative divisions of North Korea for details.

See also

  • Prefectures of Japan
    Prefectures of Japan
    The prefectures of Japan are the country's 47 subnational jurisdictions: one "metropolis" , Tokyo; one "circuit" , Hokkaidō; two urban prefectures , Osaka and Kyoto; and 43 other prefectures . In Japanese, they are commonly referred to as...

  • Provinces of Japan
    Provinces of Japan
    Before the modern prefecture system was established, the land of Japan was divided into tens of kuni , usually known in English as provinces. Each province was divided into gun ....

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