Nain County (Persian: شهرستان نائین) is in Isfahan province, Iran.

[4] The village of Bafran was elevated to the status of a city.

[7] The 2016 census measured the population of the county as 39,261 in 13,378 households.

[2] Nain County's population history and administrative structure over three consecutive censuses are shown in the following table.

Media related to Nain County at Wikimedia Commons Iran portal