evidence: North Korea is located in East Asia in the Northern half of Korea, partially on the Korean Peninsula. It borders three countries: China along the Yalu (Amnok) River, Russia along the Tumen River, and South Korea to the south. [...] Boundaries, coastline, and islands [edit]North Korea has an area of 120,538 km², of which 120,408 km² is land and 130 km² is water. It has 1,671.5 kilometres (1,038.6 mi) of land boundaries; of these, 1,416 kilometres (880 mi) are with China, 238 kilometres (148 mi) are with South Korea, and 17.5 kilometres (10.9 mi) are with Russia. The Korean Peninsula extends about 1,000 kilometres (620 mi) southward from the northeast Asian continental landmass. The 8,460 kilometres (5,260 mi) coastline of Korea is highly irregular, and North Korea accounts for 2,495 kilometres (1,550 mi) of this, roughly one-third. Some 3579 islands lie adjacent to the Korean Peninsula, mostly along the south and west coasts.[29]