Siverskyi Donets River

Seversky Donets (Russian: Северский Донец; Ukrainian: Сіверський Донець; alternatively Siverskyi Donets) is a river on the south of the East European Plain. It originates in the Central Russian Upland, north of Belgorod, flows south-east through Ukraine (Kharkiv, Donetsk and Luhansk Oblasts) and then again through Russia (Rostov Oblast) to join the Don River, about 100 km (62 mi) from the Sea of Azov. Seversky Donets is the fourth largest river in Ukraine and the biggest in the East Ukraine. It is an important source of fresh water in the east of the country.
Etymology
In the 2nd century CE Ptolemy knew the Don River, into which the Seversky Donets flows, as Tanais, and Western Europeans recognized that the Don had a significant tributary which they called either the small Tanais or Donetz. The Slavic name of Seversky Donets derived from the fact that the river originates from the land of Severians. As the Italian-Polish...