The Avars, also known as Maharuls', are a Northeast Caucasian ethnic group. The Avars are the largest of several ethnic groups living in the Russian republic of Dagestan. The Avars reside in the North Caucasus between the Black Sea and the Caspian Sea. Alongside other ethnic groups in the North Caucasus region, the Avars live in ancient villages located approximately 2,000 meters above sea level. The Avar language spoken by the Caucasian Avars belongs to the family of Avar–Andic languages. Sunni Islam has been the prevailing religion of the Avars since the 14th century.