Sloviansk (Ukrainian: Слов'янськ, translit. Slov'ians'k; Russian: Славянск, tranlit. Slavyansk; also spelled Slovyansk and Slaviansk) is a city in eastern Ukraine, an administrative center of the Sloviansk Raion (district) within the Donetsk Oblast. It was founded in 1676, and has a population of 129,600.