The Vrbaš is a major river in western Bosnia and Herzegovina. For the Second World War frigate class, see River class frigate The Murray River in Australia A waterfall on the Ova da Fedoz, Switzerland A river is a large natural waterway. ...

It is a right tributary of the river Sava. The town of Banja Luka is located on the river banks. Sava can mean several things: for polynesian mythology creature see Sava (mythology), see Sava (river) for a river in central-southern Europe see Sava (name) for south Slavic name, see Saint Sava for Serbian medieval prince turned monk (1176 - 1235). ... Mayor Dragoljub Davidović Area  - Total 93. ...

It lent its name to one of the banovine of the Kingdom of Yugoslavia, the Vrbaska banovina (meaning "banovina of Vrbas"). Ban was a title used in some states in central and south-eastern Europe between the 9th century and the 20th century. ... The Kingdom of Yugoslavia was a Balkan state which existed from December 1, 1918 to mid-April 1941. ... Map showing banovinas in 1929 (Vrbaska banovina is coloured green, in the left part of map) Vrbaska banovina (Banovina of Vrbas) was a province of the Kingdom of Yugoslavia between 1929 and 1941. ...