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]
| Nirayama Castle | |
|---|---|
韮山城
| |
| Tagata, Shizuoka Prefecture, Japan | |
  Nirayama Castle Show map of Shizuoka Prefecture  Nirayama Castle Show map of Japan | |
| Type | Hirayama-style castle |
| Site information | |
| Owner | Later Hōjō clan |
| Condition | ruins |
| Site history | |
| Built | 1493 |
| Built by | Hōjō Sōun |
| Demolished | 1601 |
| Garrison information | |
| Past commanders | Hōjō Sōun, Hōjō Ujinori |
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]
The castle was well fortified, with western style fortifications, and had supporting forts on four nearby hills. Garrisoned with 3600 men, it withstood a siege against it by 40,000 troops under the command of Oda Nobukatsu for 3 months, with the defenders only giving up when the main castle for the clan was lost.[5]
After the surrender, Tokugawa Ieyasu's retainer Naito Nobunari moved into the castle, respectively holding 10,000 koku to its name. He however, then left it in 1601, at which time it became abandoned.[6]
The castle is now only ruins with some earthen walls and water moats.[1]
About 10 minutes walk from Nirayama Station.[5]
35°03′14″N 138°57′21″E / 35.0538°N 138.9557°E / 35.0538; 138.9557
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