Darrous is a neighborhood in Shemiran, northern Tehran, Iran. It is considered one of the more affluent areas in the city. Darrous is bounded by Pasdaran neighbothood, Gholhak, and Farmanieh. Haj Mokhber ol Saltaneh Hedayat, a renowned aristocrat of the late Qajar period, was the main property owner in this area prior to 1960s. He served several terms as prime minster during the reign of Reza Shah Pahlavi. His legacy still survies in the area in the from of a mosque, a medical clinic, a school, all named Hedayat and located on Hedayat street. Shemiran (sometimes Shemiranat) is the name of the northern part of the city of Tehran, capital of Iran. ... Tehran (IPA: ; Persian: تهران, also transliterated as Teheran or Tehrān), population 7,160,094 (metropolitan: 14,000,000[citation needed]), and a land area of 658 square kilometers, is the capital city of Iran and the center of Tehran Province. ... Pasdaran Ave. ... Farmanieh is one of the districts located within the upper-class Shemiran district of Tehran, the capital of Iran. ... Aristocracy is a form of government in which rulership is in the hands of an upper class known as aristocrats. ... The Qajar dynasty was the ruling family of Persia from 1796 to 1925. ... Shah Reza Pahlavi Reza Pahlavi (Persian: رضا پهلوی), (March 16, 1877–July 26, 1944), called Reza Shah the Great after his death, was Shah of Persia (later Iran) from December 15, 1925 to September 16, 1941. ...