Chalus County (Persian: شهرستان چالوس) is a county in Mazandaran Province in Iran. The capital of the county is Chalus. At the 2006 census, the county's population was 119,559, in 33,193 families. The county is subdivided into two districts: the Central District and Kelardasht District. The county has four cities: Chalus, Kelardasht, Marzanabad & Hachirud.
Counties of Mazandaran Province
Location of Mazandaran Province in Iran
|Bakhsh (Districts)||Central District, Kelardasht District|
|• Total||1,597.30 km2 (616.72 sq mi)|
|• Density||75/km2 (190/sq mi)|
|Time zone||UTC+3:30 (IRST)|
|• Summer (DST)||UTC+4:30 (IRDT)|
|Chalus County can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "9207249" in the "Unique Feature Id" form, and clicking on "Search Database".|
The warm, humid climate of Chalus was formerly considered unhealthy, and the bulk of the population of Chalus, as of all other towns in this region, used to migrate in summer to the summer pastures on the slopes around Delir and in the Kelardasht basin, one of the most popular and longest-settled districts in the region. The people residing in Chalus speak Mazanderani language. People of Chalus speak Mazanderani language In the west of Chalus, the dialect of kalarestaqi  is spoken and in the east of Chalus, the dialect of Kojuri. During the Pahlavi dynasty, a group of Langrud people migrated from Gilan to Chalus. The Langrudis living in Chalus speak Eastern Gilaki. The Eastern Gilaki language is spoken in the entire valley of the Chalus river, though some Kurdish tribes were established in Kojur and Kelardasht in the Qajar period
- Management and Planning Organization of Mazandaran, 2006 
- "Census of the Islamic Republic of Iran, 1385 (2006)" (Excel). Statistical Center of Iran. Archived from the original on 2011-11-11.
- "ČĀLŪS – Encyclopaedia Iranica". www.iranicaonline.org. Retrieved 2019-11-09.
- اطلس گیتاشناسی استانهای ایران [Atlas Gitashenasi Ostanhai Iran] (Gitashenasi Province Atlas of Iran)
Media related to Chalus County at Wikimedia Commons