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