Castles in Tokyo / Castles in Japan Hiratsuka castle ruins Kita-ku, Tokyo.Location Related posts:Ichijodani castle ruinsGushikawa castleIwatsuki castleHamamatsu castleHiroshima castleKiyosu castleHimeji CastleBicchu-matsuyama castleItokazu castleGujo hachiman castleFukui CastleKagoshima castle