Climate : Cold
Razan County (Persian: شهرستان رزن) is a county in Hamadan Province in Iran. The capital of the county is Razan. At the 2006 census, the county's population was 111,120, in 26,277 families. The county is subdivided into three districts: the Central District, Sardrud District, and Qorveh-e Darjazin District. The county has three cities: Razan, Qorveh-e Darjazin, and Damaq.