Qazvin County is a county in Qazvin Province in Iran. The capital of the county is Qazvin. At the 2006 census, its population was 99,841, in 24,971 families. The county consists of five districts: Central District, Tarom Sofla District, Alamut-e Gharbi District, Alamut-e Sharghi District, and Kuhin District. The county has seven cities: Qazvin, Eqbaliyeh, Mahmudabad Nemuneh, Moallem Kalayeh, Razmian, Kuhin, and Sirdan. Persians, Azeris and Tats are the largest ethnic groups of the Qazvin County.