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
Demographics of Turkey along the Black Sea inhabited by the Laz as well as by several other ethnic groups — has been banned from official use and replaced with "Doğu Karadeniz" (which includes Trabzon). During the Russo-Turkish War of 1877–1878, the Muslim population of Russia near the war zones was subjected to ethnic cleansing; many Lazes living in Batum fled to the Ottoman Empire, settling along the southern Black Sea coast to the east of Samsun. The Roma in Turkey descend from the times of the Byzantine Empire. According to some reports, there are about 500,000-700,000 Roma in Turkey. The neighborhood of Sulukule,