Japanese castles in Korea (Korean: 왜성/倭城, Waeseong; Japanese: 倭城, Wajō) are Japanese castles built along the southern shores of Korea during Japanese invasions of Korea between 1592 and 1598 by the Japanese militaries.
All that remains of the castle today is the stone base.
Namhae Japanese castle
Ulsan Japanese castle
Ruins of Seosaengpo Japanese Castle