Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the world. A global city, Moscow is the most populous city on the continent of Europe and the seventh largest city proper in the world with a population of 10,563,038 (2010). According to Forbes 2011, Moskow is the city with greatest billionaires number (79) in the world.

Moscow is situated on the Moskva River in the Central Federal District of European Russia. In the course of its history the city has served as the capital of a progression of states, from the medieval Grand Duchy of Moscow and the subsequent Tsardom of Russia to the Soviet Union. Moscow is the site of the Moscow Kremlin, an ancient fortress that is today the residence of the Russian President and of the executive branch of the Government of Russia. The Kremlin is also one of several World Heritage Sites in the city. Both chambers of the Russian parliament (the State Duma and the Federation Council) also sit in Moscow.

The city is served by an extensive transit network, which includes four international airports, nine railroad terminals, and the Moscow Metro, second only to Tokyo in terms of ridership and recognized as one of the city's landmarks due to the rich and varied architecture of its 182 stations.