Trans-Siberian Railway Chita, and Khabarovsk to Vladivostok via southern Siberia. A second primary route is the Trans-Manchurian, which coincides with the Trans-Siberian east of Chita as far as Tarskaya (a stop east of Karymskoye, in Chita Oblast), about east of Lake Baikal. From Tarskaya the Trans-Manchurian heads southeast, via Harbin and Mudanjiang in China's Northeastern Provinces (from where a connection to Beijing is used by one of the Moscow–Beijing trains), joining with the main route in Ussuriysk just north of Vladivostok. This is the shortest and the oldest railway route to Vladivostok. While there are currently no traverse passenger services (enter China
Ulan-Ude Okrug. According to the 2010 Census, 404,426 people lived in Ulan-Ude; up from 359,391 recorded in the 2002 Census. In terms of population, it is the third largest city in eastern Siberia. The ethnic makeup of the city's population in 2010: The city is the center of Tibetan Buddhism in Russia and the important Ivolginsky datsan is located from the city. Ulan-Ude is located on the main line (Trans-Siberian line) of the Trans-Siberian Railway between Irkutsk and Chita at the junction of the Trans-Mongolian line (the Trans-Mongolian Railway) which begins at Ulan Ude and continues south through Mongolia to Beijing