Iran–Turkey relations Iran–Turkey relations The relations between the Islamic Republic of Iran and the Republic of Turkey have been generally peaceful since the establishment of the modern states, but sometimes have also been strained. Iran and Turkey are major trade partners. Turkey and Iran have heavy mutual influence on each other, due to geographical proximity, linguistic and ethnic relations (e.g. Azerbaijanis, a Turkic people, are the second largest ethnicity in Iran and Kurds, an Iranic people, are the second largest ethnicity in Turkey) many common cultural aspects, shared empires, and conquering by such as the Parthians, Achaemenids, Sassanians, Seljuks, Safavids, Afsharids, Ottomans
Minorities in Turkey of Turkey's population. Up to 300,000 of Azeris who reside in Turkey are citizens of Azerbaijan. In the Eastern Anatolia Region, Azeris are sometimes referred to as "acem" (see Ajam) or "tat". They currently are the largest ethnic group in the city of Iğdır and second largest ethnic group in Kars. Before the 20th century, Crimean Tatars had immigrated from Crimea to Turkey in three waves: First, after the Russian annexation of Crimea in 1783; second, after the Crimean War of 1853-56; third, after the Russo-Turkish War of 1877–78. The official number of Crimean Tatars is 150,000 (in the center