Historically, Buddhism was incorporated into Russian lands in the early 17th century, when Kalmyk people traveled to and settled in Siberia and what is now the Russian Far East. Buddhism is considered as one of Russia’s traditional religions, legally a part of Russian historical heritage.

The main form of Buddhism in Russia is Tibetan Buddhism. Although Tibetan Buddhism is most often associated with Tibet, it spread into Mongolia, and via Mongolia into Russia.

It spread into the Russian constituent regions geographically and /or culturally adjacent to Mongolia: Buryatia, Zabaykalsky Krai, Tuva Republic, and Kalmykia, the latter being the only Buddhist region in Europe, located to the north of the Caucasus. By 1887, there were already 29 publishing houses and numerous datsans. After the Russian Revolution, the datsans were closed down. By the 1930s, Buddhists were suffering more than any other religious community in the Soviet Union with lamas being expelled and accused of being "Japanese spies" and "the people's enemies".

Russia ⁱ/ˈrʌʃə/ or /ˈrʊʃə/ (Russian: Россия, tr. Rossiya; IPA: [rɐˈsʲijə] ( listen)), also officially known as the Russian Federation (Russian: Российская Федерация, tr. Rossiyskaya Federatsiya; IPA: [rɐˈsʲijskəjə fʲɪdʲɪˈratsɨjə] ( listen)), is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects. From northwest to southeast, Russia shares borders with Norway, Finland, Estonia, Latvia, Lithuania and Poland (both via Kaliningrad Oblast), Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, Mongolia, and North Korea. It also has maritime borders with Japan by the Sea of Okhotsk, and the US state of Alaska by the Bering Strait. At 17,075,400 square kilometres (6,592,800 sq mi), Russia is the largest country in the world, covering more than one eighth of the Earth's inhabited land area. Russia is also the eighth most populous nation with 143 million people. It extends across the whole of northern Asia and 40% of Europe, spanning nine time zones and incorporating a wide range of environments and landforms. Russia has the world's largest reserves of mineral and energy resources and is the largest producer of oil and natural gas globally. Russia has the world's largest forest reserves and its lakes contain approximately one-quarter of the world's fresh water.