High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Road 79 is a road running from near Tehran to Shomal and passes Damavand Mountain. Tehran is the largest city in the Middle East and is the 16th most populated city in the world with a population of 8,429,807. Most Iranian industries are headquartered in Tehran, including the manufacturing of automobiles, electrical equipment, military weaponry, textiles, sugar, cement, and chemical products. Tehran is also a leading center for the sale of carpets and furniture. There is an oil refinery located south of the city.