🇯🇵 Japan · Ancient city
Harunotsuji (Iki)
Yayoi 300 BCE–300 CE (Ikikoku under Wei Zhi Wa federation) · Yayoi Iki–Tsushima maritime (Wa – Wei Himiko federation)
Wei Zhi Ikikoku maritime capital (300 BCE–300 CE) at Harunotsuji Iki — 100 ha with 2 km moat, 47 Han mirrors and plaza warehouse.