Idel-Ural (; ) is a historical region in Eastern Europe, in what is today Russia. The name literally means Volga-Urals in the Tatar language. The frequently used Russian variant is Volgo-Uralye . The term Idel-Ural is often used to designate 6 republics of Russia of this region: Bashkortostan, Chuvashia, Mari El, Mordovia, Tatarstan, Udmurtia, especially in Tatar-language literature or in the context of minority languages. Idel-Ural is included within the Volga Region (Поволжье, Povolzhye). The major religions in the region are Islam and Orthodox Christianity.