Okrug is a term that is used in Slavic countries to denote a district, region, or administrative division. The word okrug has many synonyms in different languages, including Russian, Serbian, Croatian, and Bulgarian. In Russian, okrug can be called raion, oblast, or krai. Raion refers to a smaller administrative division, oblast refers to a larger administrative division, and krai refers to a region or a territory. In Serbian, okrug can be translated as opština, while in Croatian it can be called županija or odjel. Finally, in Bulgarian, okrug can be referred to as oblast, rayon, or kray. Regardless of the particular synonym used, these terms all help to denote a specific administrative region or district in various Slavic languages.