Buryatia (Russia)

The main languages spoken in the Buryat Republic are:
Russian - the language of interethnic communication and administration throughout the Russian Federation.
Buryat - a Mongolic language, co-official in this republic of Russia and spoken by the titular Buryat population, one of the largest Indigenous groups in Siberia.
Both Russian and Buryat are official languages of the Buryat Republic, a federal subject of Russia.