Chahar Rudbar (, also Romanized as ChahÃÂr Rà «dbÃÂr; also known as ChahÃÂr Deh-e Rà «dbÃÂr) is a village in Chahardangeh Rural District, Chahardangeh District, Sari County, Mazandaran Province, Iran. At the 2016 census, its population was 141, in 48 families. Large increase from 28 people in 2006.