Barguzin is a rural locality and the administrative center of Barguzinsky District in the Republic of Buryatia, Russia, located on the left bank of the Barguzin River at the southern end of the Barguzin Valley. Barguzin lies at an elevation of 491 meters and is 240 kilometers from Ulan-Ude. Population: 5,702 ; 6,164 ; 6,151.