Location and Size: Strategic location in waters of the Sea of Japan, Korea Strait, and Yellow Sea. Total land area of Korean Peninsula, including islands, 220,847 square kilometers; approximately 98,477 square kilometers (44.6 percent) constitutes territory of South Korea.
Land Boundary: 238 kilometers with North Korea.
Disputes: Demarcation Line with North Korea; Liancourt Rocks claimed by Japan.
Topography and Drainage: Approximately 70 percent of land area mountains and uplands. Principal ranges--T'aebaek and Sobaek range and Chiri Massif. Tallest mountain--Mount Halla at 1,950 meters, a volcanic cone located on Cheju Island. Longest rivers--Naktong River, 521 kilometers; Han River, which flows through Seoul, 514 kilometers; and Kom River, 401 kilometers.
Climate: Long, cold, dry winters; short, hot, humid summers with late monsoon rains, flooding. Seoul's January mean temperature -5° C to -2.5° C; July, 22.5° C to 25° C. Cheju Island warmer, milder weather than other parts of South Korea. Annual rainfall varies from year to year but usually averages more than 100 centimeters; two-thirds of precipitation falls between June and September. Droughts, particularly in southwest; approximately one every eight years.
Data as of June 1990