Kiasar (Persian: كياسر)[a] is a city in, and the capital of, Chahardangeh District of Sari County, Mazandaran province, Iran.

[4] It also serves as the administrative center for Chahardangeh Rural District.

[5] At the time of the 2006 National Census, the city's population was 3,590 in 913 households.

[7] The 2016 census measured the population of the city as 3,384 people in 1,084 households.

This Sari County location article is a stub.