is the capital of Iran and Tehran Province. With a population of
around 8.4 million in the city and 15 million in the larger
metropolitan area of Greater Tehran, it is the most populous city in
Iran and Western Asia, and has the second-largest metropolitan area
in the Middle East.
is ranked 29th in the world by the population of its metropolitan
capital has been moved several times throughout the history, and
Tehran is the 32nd national capital of Iran.
majority of the population of Tehran are Persian-speaking people, and
roughly 99 percent of the population understand and speak Persian,
but there are large populations of other ethno-linguistic groups who
live in Tehran and speak Persian as a second language.
has an international airport (Imam Khomeini Airport), a domestic
airport (Mehrabad Airport), a central railway station, the rapid
transit system of Tehran Metro, a bus rapid transit system,
trolleybuses, and a large network of highways.