Pusan City on the Korea Strait, se South Korea. It thrives through its trading links with Japan. The Japanese modernized the city's harbour facilities during their occupation of Korea (1905–45). In the Korean War (1950–53), Pusan acted as the United Nations' supply port. An industrial and commercial centre, Pusan is the nation's leading port and second-largest city. Industries: shipbuilding, iron and steel. Pop. (2000) 3,664,000.

Pūṣan (prosperity): see ĀDITYAS.