Nirayama Castle (韮山城, Nirayama-jō) is a hilltop castle, now largely ruins, built by Hōjō Sōun in the Izu Province in 1493.[1][2] Originally, Sōun had his main castle at Kōkokuji Castle.[3] After building Nirayama Castle, Sōun made it his main castle and kept on living in the castle to his death in 1519.[4] | ||||||
Type: Hirayama-style castle | ||||||
Built: 1493 | ||||||
Builder: Hōjō Sōun | ||||||