The Moskva River, aka the Moscow River (the English variant), rises about 140 km (90 mi) west of Moscow, and flows roughly east through the Smolensk and Moscow provinces, passing through central Moscow and creating the wonderful cityscape of the capital. The beautiful banks of the river are seen from the downtown Moscow, and Kremlin Quay is a place loved by all the visitors and residents of the city.

Actually, the capital of the Russian Federation was named after this river, and in Russian the name of the city sounds as "Moskva" as well, but it is always referred to as Moscow in English.

More Info: en.wikipedia.org