Official nameRossiiskaya Federatsiya (Russian Federation)CapitalMoscowPopulation estimate (2015)143·46 millionInternet domain extension.ruCurrencyThe unit of currency is the rouble (RUB), which consists of 100 kopeks.TerritoryRussia is bounded in the north by various seas, which join the Arctic Ocean, in the south by North Korea, China, Mongolia, Kazakhstan, the Caspian Sea, Azerbaijan, Georgia, the Black Sea and Ukraine, and in the west by Belarus, Latvia, Estonia, the Baltic Sea and Finland. In the east it is separated from the USA (Alaska) by the Bering Strait.LanguagesThe official federal language is Russian, although there are several other officially-recognized languages within individual administrative units.Source: The Statesman's Yearbook 2018. Palgrave Macmillan, London Synonyms and related words