Tehran province

Not to be confused with Tehran County.

For the city, see Tehran.

Tehran province استان تهران (Persian)
Province
Counties of Tehran province
Location of Tehran province within Iran
Coordinates: 35°32′N 51°31′E
Country	Iran
Region	Region 1
Capital	Tehran
Counties	16
Government
• Governor-general	Mohammad-Sadegh Motamedian (Independent)
Area
• Total	18,814 km2 (7,264 sq mi)
Population  (2016)
• Total	13,267,637
• Estimate  (2020)	13,973,000
• Rank	1st
• Density	705.20/km2 (1,826.5/sq mi)
Time zone	UTC+03:30 (IRST)
Area code	021
ISO 3166 code	IR-23
Main language(s)	Persian
HDI (2018)	0.834 very high · 1st

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Tehran province (Persian: استان تهران, romanized: Ostān-e Tehrān) is one of the 31 provinces of Iran. Its capital is the city of Tehran, the national capital of Iran.

Tehran Province covers an area of 18,814 square kilometres (7,264 sq mi) and is located to the north of the Central Plateau of Iran. It was made a part of the First Region with its secretariat located in Tehran, upon the division of the provinces into 5 regions, solely for coordination and development purposes on June 22, 2014.

Tehran Province is situated in north-central Iran, lying on the southern slopes of the Alborz Mountains. The province’s location within the Alborz range gives it a diverse topography, with high mountains in the north and gradually descending plains toward the south. This geographical setting creates a varied climate, from cool alpine conditions to semi-arid lowlands.

The province of Tehran has over 12 million inhabitants and is Iran's most densely populated region. Approximately 86.5 percent reside in urban areas and 13.5 percent in rural areas of the province.