Complex sentence: Epirus is a geographical and historical region in southeastern Europe, currently divided between the periphery of Epirus in northwestern Greece and the prefectures of Gjirokastër, Vlorë, Berat, and Korçë in southern Albania.
Split into simpler sentences: Epirus is a geographical and historical region in southeastern Europe shared between Greece and Albania. It is currently divided between the periphery of Epirus in northwestern Greece and the counties of Gjirokastër, Vlorë, Berat, and Korçë in southern Albania.