Moscow is the capital and largest city of Russia. It is situated on the Moskva River in Central Russia. The city covers an area of 2,511 square kilometers (970 mi2), while its urban area extends to 5,891 square kilometers (2,275 mi2) and its metropolitan area covers over 26,000 square kilometers (10,000 mi2).
The city is among the world's largest cities. It is the most populous city entirely in Europe, as well as the largest urban and metropolitan area on the European continent. The population is estimated at over 13 million residents within the city limits, with over 19.1 million residents in the urban area and over 21.5 million in the metropolitan area.