Transbaikal Oblast

Ulan-Ude (; , ; , ) is the capital city of Buryatia, Russia, located about southeast of Lake Baikal on the Uda River at its confluence with the Selenga. According to the 2021 Census, 437,565 people lived in Ulan-Ude; up from 404,426 recorded in the 2010 Census, making the city the third-largest in the Russian Far East by population.

city in eastern Russia

Kyakhta (, ; , ; , ) is a town and the administrative center of Kyakhtinsky District in the Republic of Buryatia, Russia, located on the Kyakhta River near the Mongolia–Russia border. The town stands directly opposite the Mongolian border town of Altanbulag. Population: From 1727 it was the border crossing for the Kyakhta trade between Russia and China.

Nerchinsk (; , Nershüü; , Nerchüü; ) is a town and the administrative center of Nerchinsky District in Zabaykalsky Krai, Russia, located on the left bank of the Nercha River, above its confluence with the Shilka River, east of Lake Baikal, about west of the Chinese border, and east of Chita, the administrative center of the krai. Population: 6,713 (1897).

human settlement in Russia

thumb|274x274px|Sretensk, 1885 Sretensk () is a town and the administrative center of Sretensky District in Zabaykalsky Krai, Russia, located on the right bank of the Shilka River (Amur basin), east of Chita, the administrative center of the krai. Population:

human settlement in Barguzinsky District, Republic of Buryatia, Russia

human settlement in Nerchinsko-Zavodsky District, Zabaykalsky Krai, Russia

human settlement in Akshinsky District, Zabaykalsky Krai, Russia

Host of Cossacks in the Transbaikal region of eastern Russia

oblast of Russian Empire

thumb|300px|Novoselenginsk in 2010 300px|thumb|Coat of arms of Novoselenginsk

village in Tarbagataysky District, Buryatia, Russia

Soviet republic established in Imperial Russia during the Revolution of 1905