city and centre of Slavyansk rayon (sector), Krasnodar kray (region), southwestern Russia. It is situated on the left bank of the Protoka River, an arm of the Kuban. Until 1958 it was known as stanitsa (Cossack village) Slavyanskaya; thereafter it was a city. Industries in Slavyansk-na-Kubani process the products of the surrounding agricultural area; there is also a college devoted to agricultural studies. The city's other factories produce tractor parts and clothing. Pop. (1991 est.) 58,500.