The majority of the people of Tehran are Persian-speaking people, and roughly 99% of the population understand and speak Persian; but there are also large populations of other Iranian ethnicities in the city such as Azerbaijanis, Armenians, Lurs, and Kurds who speak Persian as their second language.
Most of the international branded stores and upper class shops are located in the northern and western parts of the city, while the rest of the shopping centers are located across the city. Tehran's retail business is growing with several newly built malls and shopping centers.
Tehran's Birds Garden is the largest bird park of Iran. There is also a zoo located on the Tehran–Karaj Expressway, housing over 290 species within an area of about five hectares.
The Azadi Tower, a memorial built during the late Pahlavi era, has long been the most famous symbol of the city of Tehran. Originally constructed in commemoration of the 2,500 year celebration of the Persian Empire, it combines elements of the architecture of theAchaemenid and Sassanid eras with medieval Iranian architecture.
The Milad Tower, which is the sixth tallest tower and the 17th tallest freestanding structure in the world, is the city's second landmark tower.
Leila Araghian's Tabiat Bridge, the largest pedestrian overpass in Tehran, was completed in 2014 and is considered to be the third landmark of the city.
inaugurated by Emperor Mohammad Reza Pahlavi and Empress Farah Diba on October 26, 1967, and now continues to operate with Vahdat Hall as its official name. It is home to the Tehran Symphony Orchestra, the Tehran Opera Orchestra, and the Iranian National Ballet Company.
Festivals such as Fajr International Film Festival, Fajr International Music Festival, Fajr International Theater Festival, International Puppet Theater Festival of Tehran, and Tehran International Animation Festival are also observed in the city.
Tehran was the first city in the Middle East to host the Asian Games. The 7th Asian Summer Games was held in Tehran in 1974, with the participation of 2,363 athletes and officials from 25 countries.