Golestan District (Persian: بخش گلستان) is a district (bakhsh) in Robat Karim County, Tehran Province, Iran. At the 2006 census, its population (including the portions later split off to form Baharestan County) was 317,731, in 78,298 families. The District has two cities: Golestan and Salehabad. Nasirabad, which had formerly belonged to the District, became part of Baharestan County in 2011. The District has two rural districts (dehestan): Meymanat Rural District and Salehabad Rural District.