It rises in area of Skender Vakuf on the northern slopes of Čemernica, on the same drainage divide as the Jakotina. Jakotina is another tributary of the same river, which flows in same parallel direction to Vrbanja river. It streams are consisted by two rivers: Međurača (source at about 1,200 m) and Vukača (source at about 1,150 m). Its estuary is between Večići and Vrbanjci (310 m above sea level).