South Korea GuideSouth Korea, formally the Republic of Korea is a country in East Asia. South Korea occupies the southern half of the Korean Peninsula, with North Korea to the north, China across the sea to the west and Japan a short ferry ride to the southeast. HotelsFind hotels in Seoul, Busan, Daejeon, Seogwipo, Jinju and more. SeoulSeoul is the capital of South Korea. With a municipal population of over 10.5 million, and a metropolitan population totaling over 20.5 million, Seoul is by far South Korea's largest city and one of East Asia's financial and cultural epicenters. BusanBusan is a city located in the south-eastern province of South Gyeongsang, South Korea. DaejeonDaejeon is the capital of South Chungcheong province. Daejeon is the 5th largest city in South Korea, with a population of approximately 1.5 million. South GyeongsangSouth Gyeongsang is a province of South Korea. The abbreviated name Gyeongnam, formerly Kyungnam, is also used. GangwonGangwon is the northeasternmost province of South Korea. Geographically elongated north and south, Gangwon-do is in the Korean peninsula's central eastern region. South ChungcheongSouth Chungcheong is a province of South Korea. North GyeongsangNorth Gyeongsang is a province of South Korea where Buddhist traditions of the Silla kingdom and the centre of Confucian philosophies meet. GyeonggiGyeonggi is a province of South Korea. The most populous province in South Korea, "Gyeonggi" means "near the capital", an apt description of this province wrapped around Seoul. JejuJeju Island, formerly Cheju Island, is an island off the southern coast of South Korea, in the Korea Strait, southwest … South JeollaSouth Jeolla is the southwesternmost province of mainland South Korea. Jeollanam-do is a province in the southwest of South Korea. North ChungcheongNorth Chungcheong, abbreviated Chungbuk, is the only landlocked province in the country. North JeollaNorth Jeolla is a province in South Korea.