Babolsar
| Babolsar Persian: بابلسر | |
|---|---|
| City | |
| Coordinates: 36°42′02″N 52°39′00″E / 36.70056°N 52.65000°E | |
| Country | Iran | 
| Province | Mazandaran | 
| County | Babolsar | 
| District | Central | 
| Population  (2016) | |
|  • Total | 59,966 | 
| Time zone | UTC+3:30 (IRST) | 
| Area code | 011 | 
| Website | www | 
Babolsar (Persian: بابلسر) is a city in the Central District of Babolsar County, Mazandaran province, Iran, serving as capital of both the county and the district. It is along the Caspian Sea.