The two countries share 199 km (124 mi)-long border, notably traversing the cross-border urban area of Gorizia and Nova Gorica.

The border also includes a panhandle where the Italian city of Trieste is located on the Adriatic Sea, surrounded by Slovenia in three directions.

[1] Slovenia has an embassy in Rome and consulates in Trieste, Florence, and Milan.

Both countries are full members of the European Union and NATO.

[2] In addition to the autochthonous minorities, the Istrian Italians in Slovenia and the Slovene Italians in Italy, there are around 3,200 people of Slovenian descent living in Italy as of 2010[update].