Mianeh County (also Miyaneh County) is a county in East Azerbaijan Province in Iran. The capital of the county is Meyaneh. At the 2006 census, the county's population was 187,870, in 46,469 families. The county is subdivided into four districts: the Central District, Kaghazkonan District, Kandovan District, and Torkamanchay District. The county has four cities: Meyaneh, Aqkand, Tark, and Torkamanchay (where the Treaty of Turkmenchay was signed by Russia and Iran in 1828).