Chehel Dar castle (Persian: قلعه چهل در) is a historical castle located in Savadkuh County in Mazandaran Province, The longevity of this fortress dates back to the 6th and 7th centuries AH.
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Chehel Dar castle (Persian: قلعه چهل در) is a historical castle located in Savadkuh County in Mazandaran Province, The longevity of this fortress dates back to the 6th and 7th centuries AH.


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