Tehran Persian Nightlife parties ,night gatherings...etc The residents of Tehran are Persians who speak various dialects of Persian language . According to a 2010 census conducted by the Sociology department of Tehran university in many districts of Tehran across various soci-economical classes in proprotion to population sizes of each district and soci-economic class, 67 % are Persians, 17 % Persian sub groups such as Lurs, Gilaks, Mazandaranis, 16 % are non Persians, www.tabnak.ir