Russia - Sarov (by Serge 585). Facts about Russia - Area: 17,075,400 sq km. The world’s largest country, extending across 9 time zones between the Baltic and the Pacific. The Russian Federation is composed of 83 administrative districts, including 46 oblasts (provinces), 21 republics, 9 territories, 4 autonomous okrugs, 1 autonomous oblast and 2 federal cities. Capital: Moscow. Official language: Russian; local languages in autonomous republics. 135 languages.