Ahar (Persian: شهرستان اهر) is a County in East Azerbaijan Province, Iran.

[4] At the time of the 2006 census, the county's population was 147,781 in 34,067 households.

[6] The 2016 census measured the population of the county as 154,530 in 46,202 households.

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

Media related to Ahar County at Wikimedia Commons