Una

Una, which flow north and empty into the Sava; the Drina, which flows north, forms part of the eastern boundary with Serbia, and is also a tributary of the Sava; and the Neretva, which flows from the southeast but assumes a sharp southwestern flow through…

…Slovenia and Croatia, and the Una River, which meanders along part of the border between Croatia and Bosnia and Herzegovina, both flow into the Sava. In Dalmatia the Krka and Cetina rivers are of particular importance because of their hydroelectric potential and because they flow into the Adriatic Sea.