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Oka (Russian: Ока́, IPA: [ɐˈka]) is a river in central Russia, the largest right 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). The Russian capital Moscow sits on one of the Oka's tributaries—the Moskva River.

NN Spit from Fedorovskogo Embankment 08-2016 img2.jpg
The Oka riverbank in Nizhny Novgorod
Map of the Volga watershed with the Oka highlighted
Native nameОка́
CitiesOryol, Kaluga, Serpukhov, Kolomna, Ryazan, Murom, Dzerzhinsk, Nizhny Novgorod
Physical characteristics
 ⁃ locationOryol Oblast
 ⁃ coordinates52°21′45″N 36°13′20″E / 52.36250°N 36.22222°E / 52.36250; 36.22222
 ⁃ elevation226 m (741 ft)
MouthVolga River
 ⁃ location
Nizhny Novgorod
 ⁃ coordinates
56°19′55″N 43°58′53″E / 56.33194°N 43.98139°E / 56.33194; 43.98139Coordinates: 56°19′55″N 43°58′53″E / 56.33194°N 43.98139°E / 56.33194; 43.98139
 ⁃ elevation
67 m (220 ft)
Length1,500 km (930 mi)
Basin size245,000 km2 (95,000 sq mi)
 ⁃ average1,260 m3/s (44,000 cu ft/s)

Name and historyEdit

The Oka river is the homeland of the Eastern Slavic Vyatichi tribe.[1] By 5th century the land around the Oka river was inhabited by different Slavic tribes.[2] The Baltic tribe of Galindians lived also in the western part of the Oka basin.[3] Turkic tribes also inhabited the Oka area. The Oka river was also inhabited by Vikings and people from Northern lands like for example Scandinavia. Artefacts of Scandinavian origin were found along the Oka - Volga route.[4] [5] There is no common opinion where the name Oka originated from.

From the Mongol conquest until about 1633, the Oka was the last line of defense against steppe raiders. The river gave its name to the Upper Oka Principalities, situated upstream from Tarusa. In 1221 Grand Duke Yuri II of Vladimir founded Nizhny Novgorod, later to become one of the largest Russian cities, to protect the Oka's confluence with the Volga. The Qasim Khanate, a Muslim polity, occupied the middle reaches of the Oka (around the city of Kasimov) in the 15th and 16th centuries.

Before the construction of the railways in the mid-19th century and the building of the Moscow Canal in the 1930s, the Oka, along with its tributary Moskva, served as an important transportation route connecting Moscow with the Volga River. Due to the Oka's and Moskva's meandering courses, travel was not particularly fast: for example, it took Cornelis de Bruijn around 10 days to sail from Moscow down these two rivers to Nizhny Novgorod in 1703.[6] Traveling upstream may have been even slower, as the boats had to be pulled by burlaks.[7]


The banks of the river are dotted with historical and cultural sites, including the medieval monasteries of Murom, the mosques and minarets of Kasimov, the fortified kremlins of Kolomna and Serpukhov, the memorial houses of Vasily Polenov and Sergey Yesenin, the excavated ruins of Old Ryazan and the Oka Shukhov Tower.

The Prioksko-Terrasny Biosphere Reserve lies along the left bank of the river opposite the town of Pushchino and is known for its wisent breeding nursery.[citation needed]

Main tributariesEdit

Cities and towns on the OkaEdit

Nizhny Novgorod
Cities on the Oka

In cultureEdit

The River appears as the title and main theme in a popular, nostalgia filled song (in which it is compared to the Vistula river in Poland) of the Polish 1st Tadeusz Kościuszko Infantry Division which was formed nearby in 1943. The unit fought all the way to Berlin alongside the Red Army. It was written by Leon Pasternak.


  1. ^ Subtelny, Orest (2009-11-10). Ukraine: A History, 4th Edition. University of Toronto Press. ISBN 9781442697287.
  2. ^ "History of Russia, the Russian Empire, in ancient times, read | we know everything - Mouzenidis Travel". Mouzenidis Travel. Retrieved 2018-11-18.
  3. ^ Tarasov, Илья Тарасов / Ilia. "Балты в миграциях Великого переселения народов. Галинды // Исторический формат, № 3-4, 2017. С. 95-124". Балты в миграциях Великого переселения народов. Галинды.
  4. ^ Brink, Stefan; Price, Neil (2008-10-31). The Viking World. Routledge. ISBN 9781134318254.
  5. ^ Steinwedel, Charles (2016). Threads of Empire: Loyalty and Tsarist Authority in Bashkiria, 1552-1917. Indiana University Press. p. 13.
  6. ^ Bruin, Cornelis de (1725), Voyage au Levant: c'est-à-dire, dans les principaux endroits de l'Asie Mineure, dans les isles de Chio, Rhodes, Chypre, etc., de même que dans les plus considérables villes d'Egypte, de Syrie, et Terre Sainte., 3, J.-B.-C. Bauche le fils, pp. 233–247
  7. ^ Bruin 1725, p. 240

External linksEdit