Castles in Japan / Castles in Fukuoka Iwaya castle Dazaifu-shi, Fukuoka.LocationRelated posts:Ichijodani castle ruinsKubota castleIwadonoyama castleHiwasa CastleHimeji CastleMatsumoto castleKagoshima castleKanazawa CastleInuyama castleHara castle ruinsShiratori castleKasugayama castle ruins