Moscow is the capital city of Russia.

Moscow is one of the largest cities in Russia. The city stands on the Moskva River in Central Russia, with a population estimated at 12.4 million residents within the city limits, over 17 million residents in the urban area, and over 20 million residents in the metropolitan area. The city covers an area of 2,511 square kilometers (970 sq mi), while the urban area covers 5,891 square kilometers (2,275 sq mi), and the metropolitan area covers over 26,000 square kilometers (10,000 sq mi). Moscow is among the world's largest cities; being the most populous city entirely in Europe, the largest urban and metropolitan area in Europe, and the largest city by land area on the European continent. First documented in 1147, Moscow grew to become a prosperous and powerful city that served as the capital of the Grand Duchy that bears its name. When the Grand Duchy of Moscow evolved into the Tsardom of Russia, Moscow still remained the political and economic center for most of the Tsardom's history.

The northernmost and coldest megacity in the world, with a history that spans eight centuries, Moscow is governed as a federal city (since 1993) that serves as the political, economic, cultural, and scientific center of Russia and Eastern Europe. As an alpha world city,[18] Moscow has one of the world's largest urban economies. The city is one of the fastest-growing tourist destinations in the world and is one of Europe's most visited cities. Moscow is home to the fourth-highest number of billionaires of any city in the world and has the highest number of billionaires of any city in Europe. The Moscow International Business Center is one of the largest financial centers in Europe and the world and features some of Europe's tallest skyscrapers. Moscow was the host city of the 1980 Summer Olympics, and one of the host cities of the 2018 FIFA World Cup.