Sergelen, Dornod

Sergelen (; "brilliant") is a sum (district) of Dornod Province in eastern Mongolia. In 2009, its population was 2,198.Dornod Aimag Statistical Office. 2009 Annual Report

History Khogne District, founded in 1931, and Kherlenbayan District, founded in 1946, were merged in 1961 to form Sergelen District, centered on the slopes of Sergelen Kharat Mountain.

Administrative divisions The district is divided into five bags, which are: Arkhooloi Barchin Bayan Galiin gol Ochir khuree