They created what for its duration was the most powerful polity to emerge from the break-up of the Western Turkic Khaganate. The Khazars ( / ˈ x ɑː z ɑːr z/) were a semi- nomadic Turkic people that in the late 6th-century CE established a major commercial empire covering the southeastern section of modern European Russia, southern Ukraine, Crimea, and Kazakhstan.