information:filtering, linguistic:translation, information:extraction, information:highlighting
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. At the 2006 census, its 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, together with Bostan District, had been separated from the county in the establishment of Baharestan County. The latest census in 2016 showed a population of 239,556 people in 70,072 households.