Yamada Castle

Yamada Castle (山田城) was a Ryūkyūan gusuku during the Gusuku Period of Ryūkyūan history. It is famous for being the birthplace of the Ryūkyūan general Gosamaru. Gosamaru led the army of the castle's magiri against Nakijin Castle in 1416, helping the King of Chūzan to conquer Hokuzan. In return for his loyaly, Gosamaru was given land in Yomitanzan and allowed to build a new gusuku. He used materials from Yamada Castle to build Zakimi Castle in 1420. The ruins of Yamada Castle are in present-day Onna, Okinawa, in the Yamada district.