Watch on Soap2day. About 30 ethnic groups live in the Republic of Dagestan, each with its own language and customs. The prevalence of the Muslim way of life is a distinctive feature of this republic. The number of men taking second and third wives has increased. However, according to the Constitution of the Russian Federation, a man can only be married to one wife. So, being both a law-abiding citizen and a model Muslim is not yet possible.