Italy–Slovenia border

bay in Italy, Slovenia, and Croatia

1975 treaty regarding Italian-Yugoslavian border

The Natisone (; ; ) is a river in Slovenia and Italy. It flows for some time as a border river between Slovenia and Italy, continues in Slovenia and then crosses the border and continues in Eastern Friuli, in northeastern Italy. It is the main tributary of the Torre and a sub-affluent of the Isonzo. It has a pluvio-nival regime and belongs to the Adriatic Sea Basin.

Matajur () is a mountain in the Julian Alps on the border between Italy and Slovenia. It is located on the border between the Soča Valley and the Italian mountainous region known as Venetian Slovenia, with views over the Adriatic Sea. Its prominence is .

Mangart or Mangrt is a mountain in the Julian Alps, located on the border between Italy and Slovenia. With an elevation of , it is the fourth-highest peak in Slovenia, after Triglav, Škrlatica and Mali Triglav. It was first climbed in 1794 by the naturalist Franz von Hohenwart. Mangart is also the name of the mountain range between the Koritnica Valley and the Mangart Valley, with the highest peak called Veliki Mangart (Big Mount Mangart).

international border

monastery

The Dreiländereck (also Ofen; ; ) is a mountain in the Karawanks whose summit is the tripoint of the countries of Austria, Italy, and Slovenia. It thus is also the meeting point of three languages: German, Italian, and Slovene. The height of the summit is .

body of water

mountain range on the border of Italy and Slovenia

mountain