The city of Nain is located the southern of the central desert, 145 kilometers east of Isfahan. The Nain County is situated the foothills of the and Mohammadiyeh Zardkuh mountains on the western edge of the located in the southeast of Isfahan. The Nain County consists of three regions: Nain and its suburbs, Anarak, Khur, and Biabanak, a total of 13 districts and 830 villages.