Tehran Province is the famous province of Iran. It wrappings onto neighborhood of 18,909 square kilometers and is established towards the northern of the middled plateau of Iran. Tehran Province corners Mazandaran Province within the northern, Qom Province within the south, Semnan Province within the east, and Qazvin Province within the west. The metropolis of Tehran is the capital town of the province and of Iran. As of June 2005[update], this province contains 13 towns, 43 municipalities, and 1358 villages.

Tehran province is the richest province of Iran as it assists roughly 29% of the country's GDP. Furthermore, it houses roughly 18% of the country's population. Tehran Province is the most industrialized province within Iran; 86.5% of its settlement resides within built-up localities and 13.5% of its settlement resides within nation areas. The province profited moral when Tehran was contended the capital via the Qajar dynasty within 1778. Today, Tehran, with a settlement of many than seven million, is classed amidst the twenty most populous metropolitan towns of the world.