Farsan County (Persian: شهرستان فارسان) is in Chaharmahal and Bakhtiari province, Iran.

[4] After the 2011 census, the city of Babaheydar was transferred from the Central District to Babaheydar District, and the villages of Cholicheh and Gujan rose to city status.

[6] After the 2016 census, the village of Filabad was also elevated to the status of a city.

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

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