Chaharbagh County should not be confused with Chaharborj County.
| Chaharbagh County | |
| Native Name: | fa|شهرستان چهارباغ |
| Settlement Type: | County |
| Image Map1: | IranAlborz-SVG.svg |
| Map Caption1: | Location of Alborz province in Iran |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Alborz |
| Seat Type: | Capital |
| Seat: | Chaharbagh |
| Parts Type: | Districts |
| Parts Style: | para |
| P1: | Central |
| P2: | Ramjin |
| Coordinates: | 35.8458°N 50.7522°W |
| Coordinates Footnotes: | [1] |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Chaharbagh County (fa|شهرستان چهارباغ) is in Alborz province, Iran. Its capital is the city of Chaharbagh,[2] whose population at the time of the 2016 National Census was 48,828 in 14,380 households.[3]
In 2010, Savojbolagh County was separated from Tehran province in the establishment of Alborz province.[4]
In 2020, Chaharbagh District was separated from the county to establish Chaharbagh County, which was divided into two districts of two rural districts each, with Chaharbagh as its capital and only city.[2]
Chaharbagh County's administrative structure is shown in the following table.
| Administrative Divisions | |
|---|---|
| Central District | |
| Arababad-e Afshar RD | |
| Chahardangeh RD | |
| Chaharbagh (city) | |
| Ramjin District | |
| Aghlan Tappeh RD | |
| Ramjin RD | |