🇯🇵 Japan · Submerged site
Eastern Yonaguni Fortress A — Yonaguni (58-50)
Medieval (regional) · Medieval
Eastern Yonaguni Fortress A — Yonaguni (58-50) at Yonaguni, Japan is a Medieval (regional) submerged city of the Medieval tradition, built c. 1200 BCE for fortress and associated settlement.