Dehestan,
Dehistan or
Dahistan () is a name shared by many places in Central Asia. It may refer to:
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the homeland of the Dahae, an extinct ancient tribe in what is now Turkmenistan and Iran
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Dehestan (administrative division) ("district" or "county") is a modern administrative subdivision in Iran
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Dehestan, Afghanistan
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Dehestan, East Azerbaijan, Iran
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Dehestan-e Bala, Iran
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Dehestan-e Pain, Iran
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Dehistan/Mishrian, an archaeological site in Turkmenistan
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an alternate name for Hyrcania