Tehran Province is one of the 31 provinces of Iran. It covers an area of 18,909 square kilometres (7,301 sq mi) and is located to the north of the central plateau of Iran.

The province was put as part of First Region with its secretariat located in its capital city, Tehran, upon the division of the provinces into 5 regions solely for coordination and development purposes on June 22, 2014.

Tehran Province borders Mazandaran Province in the north, Qom Province in the south, Semnan Province in the east, and Alborz Province in the west. The metropolis of Tehran is the capital city of the province and of Iran. As of June 2005, this province includes 13 townships, 43 municipalities, and 1358 villages.

Tehran Province is the richest province of Iran as it contributes approximately 29% of the country's GDP. Furthermore, it houses approximately 18% of the country's population. Tehran Province is the most industrialized province in Iran; 86.5% of its population resides in urban areas and 13.5% of its population resides in rural areas.

The province gained importance when Tehran was claimed the capital by the Qajar dynasty in 1778. Today, Tehran, with a population of more than 7 million, is ranked amongst the 20 most populous metropolitan cities of the world.

 

The cities of Tehran


Geography:

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.

The largest rivers of this province are Karaj River and Jajrud River.

Mountain ranges such as The Alborz span the north; Savad Kooh and Firooz Kooh are located in the north east; Lavasanat, Qarah Daq, Shemiranat, Hassan Abad and Namak Mountains are in the southern areas; Bibi Shahr Banoo and Alqadr are situated in the south east and the heights of Qasr-e-Firoozeh being located to the east of the province.

Environmentally, the climate of Tehran province in the southern areas is warm and dry, but in the mountain vicinity is cold and semi-humid, and in the higher regions is cold with long winters. The hottest months of the year are from mid-July to mid-September when temperatures range from 28 °C (82 °F) to 30 °C (86 °F) and the coldest months experience 1 °C (34 °F) around December–January, but at certain times in winter it can reach −15 °C (5 °F). Tehran city has moderate winters and hot summers. Average annual rainfall is approximately 200 millimetres (7.9 in), the maximum being during the winter season. On the whole, the province has a semi arid, steppe climate in the south and an alpine climate in the north.

 

History:

Tehran Province has several archeological sites indicating settlements dating back several thousand years. Until 300 years ago, Rey was the most prominent of the cities of the province. However, the city of Tehran rose to become the larger city and capital of Iran by 1778, and since then has been the political, cultural, economic, and commercial nucleus of Iran.

Tehran has over 1500 historical sites of cultural significance registered with the Cultural Heritage Organization of Iran. The oldest of these in Tehran province are the remains of two sites in Firuzkuh County that date back to the 4th millennium BCE.