Tatars are the largest Turkic group in Russia with 6.6 million inhabitants. Kazan khanate became prominent Tatar state in 15th-16th centuries. First Muslim subjects of Russian Empire under Ivan IV in 1552. Soviet government suppressed Tatar independence movement until 1990
Mashhad is Iran's second-largest city, located in northeastern Iran. Population reached 3,001,184 in 2016. Situated in Kashaf River valley at 1,000 metres elevation
Tuvans are Turkic people living in Russia, Mongolia, and China. Archaeological evidence shows people in Tuva since Paleolithic era. Became distinct ethnicity in 17th century with Yellow Hat Tibetan Buddhism. Soviet Union annexed Tuva in 1944, forcing Russian settlement
Tahtacı people are Turkic people living in Aegean and Mediterranean regions. They are believed to be descendants of Ağaçeri tribe from 5th century AD. Some Agaceris migrated to Iran after Timur's conquest of Turkestan. Mehmed the Conqueror brought Tahtacıs to Istanbul for ship construction
Barak Turkmens originate from Barak Plain in southeastern Gaziantep. Tribe left Khorasan around 1382-1383 under leader Feriz Bey. Initially settled in Central Anatolia, later exiled to Syrian Desert. Eventually settled in western Euphrates region, adapting to farming