Oka (Russian: Ока́, IPA: [ɐˈka]) is a river in central Russia, the largest left tributary of the Volga. It flows through the regions of Oryol, Tula, Kaluga, Moscow, Ryazan, Vladimir, and Nizhny Novgorod and is navigable over a large part of its total length, as far upstream as to the town of Kaluga. Its length exceeds 1,500 kilometres (930 mi).
Latitude: 56° 19' 60.00" N
Longitude: 43° 58' 59.99" E
Nearest city to this article: Nizhny Novgorod Read about Oka River in the Wikipedia Satellite map of Oka River in Google Maps