An important historical city in the area of modern-day Tehran, now absorbed by it, is known as Ray, which is etymologically connected to the Old Persian and Avestan Ragha. The city was a major area of the Iranian speaking Medes and Achaemenids.In the Zoroastrian Avesta, Videvdad, i, 15, Ragha is mentioned as the twelfth sacred place created by Ahura-Mazda. In …

Tehran (Persian: تهران‎ Tehran; pronounced [tehˈɾɒn]), is the capital of Iran and Tehran Province. With a population of around 8.3 million and surpassing 14 million in the wider metropolitan area, Tehran is Iran’s largest city and urban area, and the largest city in Western Asia.In the 20th and 21st centuries, Tehran has been the subject of mass migration of people …