Guytar-e Sofla

Guytar-e Sofla is a village in, and the capital of, Birun Bashm Rural District of Marzanabad District, Chalus County, Mazandaran province, Iran.

Population
At the time of the 2006 National Census, the village's population was 682 in 165 households, when it was in the former Kelardasht District. The following census in 2011 counted 964 people in 295 households, by which time the rural district had been separated from the district in the establishment of Marzanabad District. The 2016 census measured the population of the village as 1,307 people in 431 households. It was the most populous village in its rural district.