The monograph is dedicated to one of the most significant social phenomena in the history of modern Dagestan - the resettlement of residents of mountainous regions to the plain. The urgency of the problem is due to the fact that during this process there was a destruction in many respects of the unique culture of the highlanders; since the second half of the XX century. the ethnic map of the republic and neighboring constituent entities of the Russian Federation has changed significantly and continues to change.