Gushikawa Castle Ruins (Itoman) 具志川城跡

Gushikawa Castle is a Ryukyuan gusuku fortification in Itoman, Okinawa, Japan. The castle ruins were designated a National Historic Site in 1972. It was built on coastal cliffs and surrounded by the sea on three sides.
Source: en.wikipedia.org ↗, read 2026-09-10


