The current name of the region, Gyeonggi, comes from a combination of Gyeong (京/경; "capital") and Gi (畿/기; "near"), ultimately from Gyeonghyeon (京縣/경현) and Gihyeon (畿縣/기현) in relation to the location of the capital, Gaegyeong (modern day Kaesŏng, North Korea). The name means "Area Surrounding the Capital", and was first used in 1018 during the Goryeo dynasty.[1] Prior, the region was called Gwannae-do (關內道/관내도).[2]
Towards the end of the Three Kingdoms period, the southeastern kingdom of Silla unified the Korean Peninsula up to the Taedong River and moved the capital from Gyeongju to Kaesong shortly thereafter. Gyeonggi originally a frontier region to Kaesong, as well as the secondary capital Namgyeong (modern-day Seoul, South Korea).[3]
In 1392, general Yi Seong-gye, later 'Taejo of Joseon', waged successful a coup against the Goryeo dynasty and founded the Joseon dynasty. Two years later, Taejo moved the capital south to Hanseong (modern-day Seoul).[4] During the Joseon dynasty, Hanseong served not only as the national capital, but the provincial capital as well. Gyeonggi was one of the Eight Provinces (팔도 paldo), until 1895 when King Gojong created the 23 District system, splitting Gyeonggi into five districts, or bu (府/부):
Korea was liberated from Japan in 1945, and the People's Republic of Korea, a provisional government, was founded shortly after. The provisional republic remained a sovereign, independent state for several days, until the United States and Soviet Union devised a plan to temporary partition Korea into two occupied zones, then reunify the peninsula once it was determined that the Koreans were fit to govern themselves.
Korea was divided at the 38th parallel north, which divided Korea roughly in half. Korea south of the 38th parallel was occupied by the United States Army Military Government in Korea. Most of Gyeonggi, including Kaesong, fell under the American occupation zone. By the end of the war, Kaesong was one of the only cities to officially change hands, going from a South Korean city to a North Korean city.
Both Korean governments claim sovereignty over the whole of the Korean Peninsula, and neither governments recognize changes to Korea's internal divisions made by the other.