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Travel photo of Iran

Asia · capital city

Flag of IranWhat Is the Capital of Iran?

Tehran

The capital of Iran is Tehran. About 9.5 million people live in the Tehran urban area — 10.3% of the country's population.

9.5 million
Urban area population
UTC+3.5
Time zone (+ daylight saving)
35.70°N
Latitude · 51.42°E
Yes
Largest city

Tehran at a glance

Name origin

The name probably means "flat" or "lower," referring to its location in the foothills of the Elburz Mountains.

Time zone

UTC+3.5 (8.5 hours ahead of Washington, DC). Daylight saving time: does not observe daylight savings time.

Coordinates

35 42 N, 51 25 E · IANA time zone Asia/Tehran

Location of Iran

Middle East, bordering the Gulf of Oman, the Persian Gulf, and the Caspian Sea, between Iraq and Pakistan

Largest cities in Iran

1
Tehran Capital
9.5 million
2
Mashhad
3.4 million
3
Esfahan
2.3 million
4
Shiraz
1.7 million
5
Tabriz
1.7 million
6
Karaj
1.6 million
Urban-area population · CIA World Factbook (public domain)

Frequently asked questions about Tehran

What is the capital of Iran?

The capital of Iran is Tehran. About 9.5 million people live in the Tehran urban area — 10.3% of the country's population.

Is Tehran the largest city in Iran?

Yes — Tehran is also the largest urban area of Iran (9.5 million).

What time zone is Tehran in?

Tehran is on UTC+3.5 — UTC+3.5 (8.5 hours ahead of Washington, DC). Daylight saving time: does not observe daylight savings time.

Where does the name Tehran come from?

The name probably means "flat" or "lower," referring to its location in the foothills of the Elburz Mountains.

Which capital is closest to Tehran?

Among the capitals of neighbouring countries, Baku (Azerbaijan) is the closest, 538 km away in a straight line.

Data: CIA World Factbook (public domain); population: World Bank Open Data (CC BY 4.0).