a republic in SE Europe: settled by Croats in the 7th century; belonged successively to Hungary, Turkey, and Austria; formed part of Yugoslavia (1918–91); became independent in 1991 but was invaded by Serbia and fighting continued until 1995; involved in the civil war in Bosnia and Herzegovina (1991–95); joined the European Union in 2013. Language: Croatian. Religion: Roman Catholic majority. Currency: kuna. Capital: Zagreb. Pop: 4 189 353 (2017 est). Area: 55 322 sq km (21 359 sq miles)