Khazaria /kəˈzɑːɹi.ə/ noun1 •(historical) A polity, established in medieval Eurasia by Khazars, that occupied much of modern-day European Russia, western Kazakhstan, eastern Ukraine, Azerbaijan, large portions of the northern Caucasus, parts of Georgia, the Crimea, and northeastern Turkey.Jews continued to migrate to Khazaria from the Muslim and Byzantine lands circa 943 because they were still being forcefully converted to Christianity by Romanus, according to al-Masudi. — 2018