Government Mayor - Mohammad Bagher Ghalibaf
- City 1,500 km² (579 sq mi)
- Urban 686 km² (265 sq mi)
- Metro 18,814 km² (7,264 sq mi)
Elevation 1,200 m (3,900 ft)
- City 7,797,520
- Density 10,000/km² (25,899/sq mi)
- Metro 14,000,000
More than half of Iran's industry is based in Tehran. Industries include the manufacturing of automobiles, electronics and electrical equipment, military weaponry, textiles, sugar, cement, and chemical products. It is also a leading center for the sale of carpets and furniture. There is an oil refinery south of the city.
The city has numerous large museums, art centers, palace complexes and cultural centers.
In the 20th century, Tehran faced a large migration of people from all around Iran. Today, the city contains a mix of various ethnic and religious minorities, and is filled with many historic mosques, churches, synagogues and Zoroastrian fire temples.
Tehran is the biggest and most important educational center of Iran. Today There are nearly 50 major colleges and universities in total in Greater Tehran.
Since the establishment of Darolfonoon in the mid 1800s, Tehran has amassed a large number of institutions of higher education.