The Islamic City Council of Tehran (Persian: شورای اسلامی شهر تهران) is the directly elected council that presides over the city of Tehran, elects the mayor of Tehran in a mayor–council government system, and budgets of the Municipality of Tehran. The council is composed of twenty one members elected on a plurality-at-large voting basis for four-year terms. The chairman and the deputy chairman of the council are chosen by the council at the first regular meeting in odd-numbered years.