The Milad Tower, also known as the Tehran Tower, is a multi-purpose tower in Tehran, Iran. It is the sixth-tallest tower and the world's first telecommunication tower in terms of the usage area of the top structure and the tallest tower in Iran and the 24th-tallest freestanding structure in the world. The construction of this tower took about 11 years and 7 months

Tehran is the capital and largest city of Iran and also the largest city in Tehran Province. It also serves as the capital of the province, county and the Central District. With a population of around 9 million and 400 thousand in the city and around 16 million and 800 thousand in the larger metropolitan area of Greater Tehran, The Greater Tehran metropolitan area contains towns like the "New Town of Andisheh", "Islam Shahr", "Shahreh Qods", "Shahryar", "Pakdasht", "Firooz Kooh" and "Shamiran". Tehran is the most populous city in Iran and Western Asia, and has the second-largest metropolitan area in the Middle East, after Cairo. It is ranked 24th in the world by metropolitan area population.