Borogontsy is a rural locality, the administrative centre of and one of three settlements, in addition to Myndaba and Tomtor, in Myuryunsky Rural Okrug of Ust-Aldansky District in the Sakha Republic, Russia in addition to being the administrative centre of Myuryunsky Rural Okrug to which the same three settlements are subordinated. Its population as of the 2010 Census was 5,222, down from 5,458 recorded during the 2002 Census.