Castles in Yamaguchi / Castles in Japan Iwakuni Castle Iwakuni-shi, Yamaguchi.Location Related posts:Kubota castleChinen castleKawagoe castleKiyosu castleGoryokakuKagamijo castleIchijodani castle ruinsKaratsu castleFukuchiyama castleGushikawa castleKanagasaki castleGujo hachiman castle