The Sit (Сить) is a tributary of the

Rybinsk Reservoir Rybinsk Reservoir ( rus, Ры́бинское водохрани́лище, r=Rybinskoye vodokhranilishche, p=ˈrɨbʲɪnskəɪ vədəxrɐˈnʲilʲɪɕə), informally called the Rybinsk Sea, is a water reservoir on the Volga River and its tributa ...

(nominally, of the Mologa).Great Soviet Encyclopaedia
/ref> The river flows for through Sonkovsky District of

Tver Oblast Tver Oblast (russian: Тверска́я о́бласть, ''Tverskaya oblast'', ), from 1935 to 1990 known as Kalinin Oblast (), is a federal subject of Russia (an oblast). Its administrative center is the city of Tver. It was named after Mi ...

and Nekouzsky and Breytovsky Districts of

Yaroslavl Oblast Yaroslavl Oblast (russian: Яросла́вская о́бласть, ''Yaroslavskaya oblast'') is a federal subject of Russia (an oblast), which is located in the Central Federal District, surrounded by Tver, Moscow, Ivanovo, Vladimir, Kostr ...

s of

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-ei ...

before entering the Rybinsk Reservoir near the large village of Breitovo. Its average width varies from The river mouth is about wide. The

drainage basin A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

occupies some . The river is long. The river gives its name to the bloody Battle of the Sit River (1238). In the

Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...

the valley of the Sit belonged to a branch of the princely House of Yaroslavl. The princes of the Sit', or Sitsky, joined the service of the Grand Dukes of Muscovy in the 15th century. The family survived into the 17th century and was closely related by blood to the Romanovs. The source of the Sit is in the north of Sonkovsky District, close to the village of Saburovo. The river flows northeast, enters Yaroslavl Oblast, and turns south. By the selo of Voznesenskoye it turns east and eventually north. The mouth of the Sit is in the selo of Breytovo. Before the Rybinsk Reservoir was filled, the Sit was a tributary of the Mologa River. The drainage basin of the sit includes the eastern part of

Krasnokholmsky District Krasnokholmsky District (russian: Краснохо́лмский райо́н) is an administrative and municipalLaw #4-ZO district (raion), one of the thirty-six in Tver Oblast, Russia. It is located in the northeast of the oblast and borders wi ...

of Tver Oblast, the eastern part of Sonkovsky District, the western part of Nekouzsky District, and some areas in Breytovsky District. The district centers

Sonkovo Sonkovo (russian: Сонко́во) is an urban locality (an urban-type settlement) and the administrative center of Sonkovsky District of Tver Oblast, Russia. Population: History Founded by the Russian Greek Orthodox Inkeriköt ( Izhorians) i ...

and Breytovo lie in the drainage basin of the Sit. In the early 20th century the valley of the Sit River was home to the '' Sitskari'' ( ru), an ethnic group of short fair-haired people speaking a Northern dialect of the

Russian language Russian (russian: русский язык, russkij jazyk, link=no, ) is an East Slavic language mainly spoken in Russia. It is the native language of the Russians, and belongs to the Indo-European language family. It is one of four living E ...

. It is thought that they had a mixture of

Lithuania Lithuania (; lt, Lietuva ), officially the Republic of Lithuania ( lt, Lietuvos Respublika, links=no ), is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea. Lithuania ...

n or some other

Baltic Baltic may refer to: Peoples and languages *Baltic languages, a subfamily of Indo-European languages, including Lithuanian, Latvian and extinct Old Prussian *Balts (or Baltic peoples), ethnic groups speaking the Baltic languages and/or originatin ...

ancestry.Институт этнологии и антропологии РАН: Этнографические группы русского народа
/ref>

References

{{Volga River Rivers of Yaroslavl Oblast Rivers of Tver Oblast