Ulan-Ude is the capital city of the Republic of Buryatia, Russia; it is located about 100 kilometers southeast of Lake Baikal on the Uda River at its confluence with the Selenga. According to the 2010 Census, 404,426 people lived in Ulan-Ude; up from 359,391 recorded in the 2002 Census, making the city the third-largest in the Russian Far East by population.
It was previously known as Udinsk and then Verkhneudinsk.
Wikipedia https://en.wikipedia.org/wiki/Ulan-Ude
Coordinates 51°50'8.823" N 107°35'2.077" E