Location: south Central Europe, Julian Alps between Austria and Croatia
 
Area: total 20,273 sq km
Land boundaries: total: 1,086 km; border countries: Austria 330 km, Croatia 455 km, Hungary 102 km, Italy 199 km
 
Coastline: 46.6 km
Maritime claims: territorial sea: 12 nm
Climate: Mediterranean climate on the coast, continental climate with mild to hot summers and cold winters in the plateaus and valleys to the east
Terrain: a short coastal strip on the Adriatic, an alpine mountain region adjacent to Italy and Austria, mixed mountains and valleys with numerous rivers to the east
Natural resources: lignite coal, lead, zinc, building stone, hydropower, forests
Land use: arable land: 8.53%; permanent crops: 1.43%; other: 90.04% (2005)