Slovenia is located in Australia.
Australia ( [ əˈstreɪliə ] , [ ɒ - ] , [ - ljə ] ) , officially the Commonwealth of Australia , is a country comprising the mainland of the Australian continent , the island of Tasmania and numerous smaller islands . Croatia ( [ kroʊˈeɪʃə ] ; Hrvatska [ xř̩ʋaːtskaː ] ) , officially the Republic of Croatia ( [ Republika Hrvatska , links = no ] , ) , is a sovereign state between Central Europe , Southeast Europe , and the Mediterranean . Slovenia ( [ sloʊˈviːniə , _ slə - , _ - njə ] ; Slovenija [ slɔˈʋéːnija ] ) , officially the Republic of Slovenia ( Slovene : , abbr. : RS ) , is a nation state in southern Central Europe , located at the crossroads of main European cultural and trade routes . It is bordered by Italy to the west , Austria to the north , Hungary to the northeast , Croatia to the south and southeast , and the Adriatic Sea to the southwest .