Golestan is a city in, and the capital of, Golestan District of Baharestan County, Tehran province, Iran, and also serves, with Nasimshahr, as one of the two capitals of the county.

Demographics

Population

At the time of the 2006 National Census, the city's population was 231,882 in 57,216 households, when it was in Robat Karim County. The following census in 2011 counted 259,480 people in 72,096 households, by which time the district had been separated from the county in the establishment of Baharestan County. The 2016 census measured the population of the city as 239,556 people in 70,072 households.

Climate

Köppen-Geiger climate classification system classifies its climate as cold semi-arid (BSk). In summer, its average temperatures are cooler than that of Tehran city, so as its average winter temperatures are colder.