Asu castle (Persian: قلعه آسو) is a historical castle located in Birjand County in South Khorasan Province, The longevity of this fortress dates back to the Timurid Empire.[1][2]

Asu castle
قلعه آسو
General information
TypeCastle
Town or cityBirjand County
CountryIran Iran

References

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  1. ^ "Encyclopaedia of the Iranian Architectural History". Cultural Heritage, Handicrafts and Tourism Organization of Iran. 15 February 2021. Archived from the original on 6 April 2015.
  2. ^ "قلعه آسو بیرجند". aftab-hotel.com. Retrieved 23 February 2021.