| Ostanavand Castle | |||||||
| Native Name: | قلعه استاناوند ناروهه | ||||||
| Location Town: | Garmsar County | ||||||
| Location Country: | Iran | ||||||
| Map Type: | Iran | ||||||
| Map Dot Label: | Estanavand Naruheh Castle | ||||||
| Relief: | 1 | ||||||
| Building Type: | Castle | ||||||
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Estanavand Naruheh castle (Persian: قلعه استاناوند ناروهه, also Ostanavand, Ustanawand or Ustunawand) is a historical castle located in Garmsar County in Semnan Province, The longevity of this fortress dates back to the Nizari Ismaili state.[1] [2]