The Trebižat is a river in the southern part of Bosnia and Herzegovina, and major right tributary of the Neretva River. Trebižat River is located in the south-western region of Bosnia and Herzegovina. It is part of the Neretva basin and it is a major tributary of the Neretva river. The river rises from the large karstic wellspring within cave in Peć Mlini village. This wells…The Trebižat is a river in the southern part of Bosnia and Herzegovina, and major right tributary of the Neretva River. Trebižat River is located in the south-western region of Bosnia and Herzegovina. It is part of the Neretva basin and it is a major tributary of the Neretva river. The river rises from the large karstic wellspring within cave in Peć Mlini village. This wellspring is continuation of the Vrljika river which sunk few kilometers before and on a plain above, at the southeastern end of Imotsko Polje near Drinovci in Bosnia and Herzegovina.