Wŏnsan Port (Port Code: KPWON) is a medium-sized seaport and also a naval base located in Wonsan City, capital of Kangwŏn do (province), in southeastern North Korea. It is situated on the westernmost shore of the Sea of Japan (East Korean Sea). Wonsan opened as a trade port in 1880. Its original name was Wŏnsanjin, but it was also known by the Russian name of Port Lazarev, under Japanese rule (1910–45) it was called Gensan. Rail lines were constructed to the southwest to Seoul in 1914, to northeastern cities in 1928, and west to P’yŏngyang in 1941.
