Website listings of interest to users in Slovenia. Browse top quality websites in this TopWeb.Directory category. Slovenia is a country in Europe with the capital at Ljubljana. The country surface is: 20,273 sq km. Border countries and border surface: Austria 330 km, Croatia 455 km, Hungary 102 km, Italy 199 km. Languages: Slovenian (official) 91.1%, Serbo-Croatian 4.5%, other or unspecified 4.4%, Italian (official, only in municipalities where Italian national communities reside), Hungarian (official, only in municipalities where Hungarian national communities reside) (2002 census).