Iran seventh largest shopping mall, Isfahan City Center. The fourth most populous city of Iran, Karaj, has a population of around 1.9 million (2016 census). It is the capital of the province of Alborz, and is situated 20 km west of Tehran, at the foot of the Alborz mountain range. It is a major industrial city in Iran, with large factories producing sugar, textiles, wire, and alcohol. With a population of around 1.7 million (2016 census), Tabriz is the fifth most populous city of Iran, and had been the second most populous until the late 1960s. It was the first capital
Iran–Turkey relations and Smyrna in western Anatolia. Igdir Province in what is Eastern Anatolia formed in fact part of Qajar Iran up to the outcome of the Russo-Persian War (1826-1828) and the ratified Treaty of Turkmenchay. Various empires based in what is now Turkey made inroads into what is now Iran, such as by the Byzantine Empire, and the Ottoman Empire. Iran's second major ethnic group is Azerbaijani which is a Turkic people, there also other Turkic peoples in Iran such as Turkmens and Qashqai people. Turks and Iranians share a common cultural heritage, known as the Turko-Persian tradition, which was a