Liancourt Rocks dispute Liancourt Rocks dispute The Liancourt Rocks dispute is a territorial dispute between South Korea and Japan. Both countries claim sovereignty over the Liancourt Rocks, a group of small islets in the Sea of Japan which are referred to as "Dokdo" () in Korean and in Japanese. North Korea also claims sovereignty of the islands. The Liancourt Rocks have been administered by South Korea since 1954 by the Korea Coast Guard. This action was taken after the United States stated in the Rusk documents that the Japanese claim to the Liancourt Rocks would not be renounced in their peace treaty with
Liancourt Rocks dispute what the Japanese then called Matsushima. However, there is no such description in the original "Yeojiji". Instead, "Dongguk yeojiji" says "...one theory has it that Usan-do and Ulleung-do are the same island..." as described in "Donggug Yeoji Seunglam" (1481). Usando is displayed on the cartographs made by Chong Sang-gi (1678~1752); (1822), and (by Kim Tae-gon, 1821–1846). Japanese believe it to be Jukdo, noting the distance, shape, size, and direction., while Koreans believe it to be Liancourt and they said that Usando was a former name of Liancourt. In 2011, Usando is found on the Kim Jeong-ho's "Daedong Yeojido". On March