Tabriz is a city in northwestern Iran. The city is the capital of East Azerbaijan Province and one of the historical capitals of Iran. It is located about 1,300 kilometres (810 mi) northwest of Tehran, some 3,000 kilometres (1,900 mi) west of the Caspian Sea, and 5,200 kilometres (3,200 mi) east of Istanbul.
Tabriz is the most important economic center in northwestern Iran and one of the most important in the country. The city is home to a large number of factories and heavy industries, including the Iron and Steel Factory, Tabriz Petrochemical Complex, and the Tabriz Airport. The city is also a regional hub for the automotive, construction, and agricultural industries.
Tabriz is one of the most popular tourist destinations in Iran. The city has a number of historical and natural attractions, including the Tabriz Bazaar, the Blue Mosque, the Jameh Mosque of Tabriz, the Ilk