Castles in Yamaguchi / Castles in Japan Iwakuni Castle Iwakuni-shi, Yamaguchi.LocationRelated posts:Imabari castleMatsumoto castleFukuyama castleAzuchi castleBicchu-matsuyama castleIwatsuki castleGoryokakuIga ueno castleHachioji castleJizozakinojo castleIchijodani castle ruinsGujo hachiman castle