Shahyad Tower, whose name changed to Azadi Tower after Iran's Revolution in 1978, is one of the city symbols of Tehran that was built in 1970 by Hossein Amanat, the Iranian architect. Shahyad Tower was designed and constructed in the middle of one of the main squares of west of Tehran as the symbol of "Modern Iran" in order to commemorate 2500-year celebration of the Persian Empire.
The architecture of the tower is a mixture of Achaemenid, Sassanid, and Islamic architecture.
Azadi Monument consists of a variety of sections including the passage of ancient people, ancient hall, Iranian studieshall, Iran Nama, ceremonies hall, mirror hall, waiting room, information hall, theater, library, and picture gallery. Ancient symbols of Iranian architecture have been used as model in constructing this tower.
According to some surveys, a majority of Tehran citizens consider Azadi Tower as the symbol of Tehran.
This tower was registered in the list of Iran's National Heritage in 1974 under the registration number of 1008.