Croatia–Slovenia border

The Sava is a river in Central and Southeast Europe, a right-bank and the longest tributary of the Danube. From its source in Slovenia, it flows through Croatia and along its border with Bosnia and Herzegovina, and finally reaches Serbia, feeding into the Danube in its capital, Belgrade.

The Drava or Drave (, ; ; ; ; ), historically known as the Dravis or Dravus, is a river in southern Central Europe. With a length of (441 miles), or (450 miles), if the length of its Sextner Bach source is added, it is the fifth or sixth longest tributary of the Danube, after the Tisza, Sava, Prut, Mureș and likely Siret. The Drava drains an area of about 40,154 square kilometers (15,504 sq. mi.). Its mean annual discharge is seasonally (650 cu. yd.) per second) to (880 cu. yd.) per second. Its source is near the market town of Innichen, in the Puster Valley of South Tyrol, Italy. The river fl

river in Central Europe

bay in Italy, Slovenia, and Croatia

The Kupa () or Kolpa ( or ; from in Roman times; ) river, a right tributary of the Sava, forms a natural border between north-west Croatia and southeast Slovenia. It is long, with a length of serving as the border between Croatia and Slovenia and the rest located in Croatia.

bay

The Sutla () or Sotla () is a river flowing through Slovenia and Croatia, mostly forming their border. It is a tributary to the Sava, itself a tributary to the Danube. It is long and has a watershed area of .

The Dragonja (; ) is a long river in the northern part of the Istrian peninsula. It is a meandering river with a very branched basin and a small quantity of water. It has a pluvial regime and often dries up in summer. It features very diverse living environments and is home to a number of animal and plant species. The Dragonja has been a matter of a territorial dispute between Croatia and Slovenia, with its lowest portion de facto the border of the two countries.

mountain range in Slovenia and Croatia

The Čabranka is a small river on the border between Slovenia and Croatia. It is long and is a left tributary of the Kupa River (, ). Its source is just west of the settlement of Podplanina in the Municipality of Loški Potok in southern Slovenia and just north of the Croatian village of Čabar, from which it gets its name. It joins the Kupa at Osilnica.

peak in Croatia and Slovenia

international border

reservoir on the river Drava, border between Croatia and Slovenia

railway line in Croatia