After the 2011 National Census, the cities of Bumahen and Pardis, and most of Siyahrud Rural District, were separated from Tehran County in the establishment of Pardis County, which was divided into two districts of two rural districts each, with Pardis as its capital.[3]
^ abRahimi, Mohammad Reza (c. 2013) [Approved 10 September 1391]. Approval letter regarding national divisions in Tehran province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Council of Ministers. Notification 197210/T46590AH. Archived from the original on 1 June 2013. Retrieved 23 November 2023 – via Research Center of the System of Laws of the Islamic Council of the Farabi Library of Mobile Users.