Chaharbagh District (Persian: بخش چهارباغ) is a district (bakhsh) in Savojbolagh County, Alborz Province, Iran. At the 2006 census, its population was 61,135, in 15,380 families. The District has one city: Chaharbagh. The District has two rural districts (dehestan): Chahardangeh Rural District and Ramjin Rural District.