ONEZ.com > Bulgaria > Sliven Basic InformationCountry: BulgariaPopulation: 77,832 (Wikidata, 2025)Area: 194 km² / 75 sq miRegion: SlivenCapital of: SlivenHeight: 243 m LocationLatitude: 42.67815Longitude: 26.32596 Where is Sliven located in Bulgaria?Show map 🗺 ONEZ.com > Bulgaria > Sliven