Castles in Niigata / Castles in Japan Kasugayama castle ruins Nakayashiki, Joetsu-shi, Niigata. Location Related posts:Hara castle ruinsImabari castleIwakuni CastleHasedo castle ruinsHikone castleHiratsuka castleHagi castleFukuchiyama castleHachioji castleKanagasaki castleIwaya castleHachigata castle