The Buzava or Buzava Kalmyks are the ethnic Kalmyk people centered in the western Republic of Kalmykia

Kalmykia

The Republic of Kalmykia is a federal subject of Russia . Population: It is the only Buddhist region in Europe. It has also become well-known as an international chess mecca because its former President, Kirsan Ilyumzhinov, is the head of the International Chess Federation .-Geography:*Area:...

, in the present day Southern Federal District

Southern Federal District

Southern Federal District is one of the eight federal districts of Russia. Its territory lies mostly on the Pontic-Caspian steppe. Its population was 13,856,700 according to the 2010 Census, living on an area of...

 of Russia.

In 1699 group of the Oirat

Oirats

Oirats are the westernmost group of the Mongols who unified several tribes origin whose ancestral home is in the Altai region of western Mongolia. Although the Oirats originated in the eastern parts of Central Asia, the most prominent group today is located in the Republic of Kalmykia, a federal...

 Dörbets, a Choros clan within the Mongol tribe, migrated from the Buddhist Oirat Kalmyks people in the Volga River

Volga River

The Volga is the largest river in Europe in terms of length, discharge, and watershed. It flows through central Russia, and is widely viewed as the national river of Russia. Out of the twenty largest cities of Russia, eleven, including the capital Moscow, are situated in the Volga's drainage...

 area to join the Don Cossacks

Don Cossacks

Don Cossacks were Cossacks who settled along the middle and lower Don.- Etymology and origins :The Don Cossack Host was a frontier military organization from the end of the 16th until the early 20th century....

 people. They eventually became called the Buzava Kalmyks.

They resettled with the Don Cossacks along the middle and lower Don River

Don River (Russia)

The Don River is one of the major rivers of Russia. It rises in the town of Novomoskovsk 60 kilometres southeast from Tula, southeast of Moscow, and flows for a distance of about 1,950 kilometres to the Sea of Azov....

in Kalmykia.