<P> Coordinates: 36 ° N 128 ° E ﻿ / ﻿ 36 ° N 128 ° E ﻿ / 36; 128 </P> <P> South Korea is located in East Asia, on the southern half of the Korean Peninsula jutting out from the far east of the Asian land mass . The only country with a land border to South Korea is North Korea, lying to the north with 238 kilometres (148 mi) of border running along the Korean Demilitarized Zone . South Korea is mostly surrounded by water and has 2,413 kilometres (1,499 mi) of coast line along three seas; to the west is the Yellow Sea (known in Korea as West Sea), to the south is the East China Sea, and to the east is the Sea of Japan (known in Korea as East Sea). Geographically, South Korea's land mass is approximately 100,032 square kilometres (38,623 sq mi). 290 square kilometres (110 sq mi) of South Korea are occupied by water . The approximate coordinates are 37 ° North, 127 ° 30 East . Notable islands include Jeju Island (Jejudo), Ulleung Island (Ulleungdo), and Liancourt Rocks (Dokdo, known in Japan as Takeshima). </P> <P> The Korean Peninsula extends southward from the northeast part of the Asian continental landmass . The Japanese islands of Honshū and Kyūshū are located some 200 km (124 mi) to the southeast across the Korea Strait; the Shandong Peninsula of China lies 190 kilometers to the west . The west coast of the peninsula is bordered by the Korea Bay to the north and the Yellow Sea and Korea Strait to the south; the east coast is bordered by the Sea of Japan . The 8,640 - kilometer coastline is highly indented . Some 3,579 islands lie adjacent to the peninsula . Most of them are found along the south and west coasts . </P>

What are the neighboring countries of south korea