The Seversky Donets () or Siverskyi Donets (), usually simply called the Donets, is a

river A river is a natural flowing watercourse, usually freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the ...

on the south of the

East European Plain The East European Plain (also called the Russian Plain, "Extending from eastern Poland through the entire European Russia to the Ural Mountaina, the ''East European Plain'' encompasses all of the Baltic states and Belarus, nearly all of Ukraine, a ...

. It originates in the Central Russian Upland, north of

Belgorod Belgorod ( rus, Белгород, p=ˈbʲeɫɡərət) is a city and the administrative center of Belgorod Oblast, Russia, located on the Seversky Donets River north of the border with Ukraine. Population: Demographics The population of B ...

, flows south-east through

Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian invas ...

(

Kharkiv Kharkiv ( uk, wikt:Харків, Ха́рків, ), also known as Kharkov (russian: Харькoв, ), is the second-largest List of cities in Ukraine, city and List of hromadas of Ukraine, municipality in Ukraine.Donetsk Donetsk ( , ; uk, Донецьк, translit=Donets'k ; russian: Донецк ), formerly known as Aleksandrovka, Yuzivka (or Hughesovka), Stalin and Stalino (see also: cities' alternative names), is an industrial city in eastern Ukraine loc ...

and

Luhansk Oblast Luhansk Oblast ( uk, Луга́нська о́бласть, translit=Luhanska oblast; russian: Луганская область, translit=Luganskaya oblast; also referred to as Luhanshchyna, uk, Луга́нщина) is the easternmost Adminis ...

s) and then again through

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-eigh ...

(

Rostov Oblast Rostov Oblast ( rus, Росто́вская о́бласть, r=Rostovskaya oblast, p=rɐˈstofskəjə ˈobləsʲtʲ) is a federal subject of Russia (an oblast), located in the Southern Federal District. The oblast has an area of and a populat ...

) to join the river Don, about from the

Sea of Azov The Sea of Azov ( Crimean Tatar: ''Azaq deñizi''; russian: Азовское море, Azovskoye more; uk, Азовське море, Azovs'ke more) is a sea in Eastern Europe connected to the Black Sea by the narrow (about ) Strait of Ker ...

. The Donets is the fourth-longest river in Ukraine, and the largest in

eastern Ukraine Eastern Ukraine or east Ukraine ( uk, Східна Україна, Skhidna Ukrayina; russian: Восточная Украина, Vostochnaya Ukraina) is primarily the territory of Ukraine east of the Dnipro (or Dnieper) river, particularly Khark ...

, where it is an important source of fresh water. It gives its name to the Donets Basin, known commonly as the

Donbas The Donbas or Donbass (, ; uk, Донба́с ; russian: Донба́сс ) is a historical, cultural, and economic region in eastern Ukraine. Parts of the Donbas are controlled by Russian separatist groups as a result of the Russo-Ukrai ...

, an important coal-mining and industrial region in Ukraine.

Etymology

The names ''Don'' and its diminutive ''Donets'' are derived from Iranic,

Sarmatian The Sarmatians (; grc, Σαρμαται, Sarmatai; Latin: ) were a large confederation of ancient Eastern Iranian equestrian nomadic peoples of classical antiquity who dominated the Pontic steppe from about the 3rd century BC to the 4th ...

"the river".Mallory, J.P. and Victor H. Mair. ''The Tarim Mummies: Ancient China and the Mystery of the Earliest Peoples from the West''. London: Thames and Hudson, 2000. p. 106 Scytho-Sarmatians inhabited the areas to the north of the

Black Sea The Black Sea is a marginal mediterranean sea of the Atlantic Ocean lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, ...

from 1100 BC into the early medieval times. In the 2nd century CE

Ptolemy Claudius Ptolemy (; grc-gre, Πτολεμαῖος, ; la, Claudius Ptolemaeus; AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of import ...

knew the river Don, into which the 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 The Severians or Severyans or Siverians ( be, Севяране; bg, Севери; russian: Северяне; uk, Сiверяни, translit=Siveriany) were a tribe or tribal confederation of early East Slavs occupying areas to the east of the m ...