The Bukovica, is a small river in Central Bosnia and Herzegovina. It springs deep in the hills under the mountain of Zvijezda, at about 1100 m above sea level. The length of the Bukovica River is about 20 km, and its catchment area is 161 square km. It flows through the historic town of Kraljeva Sutjeska on its way to the river Trstionica, where it spills into as its left tributary. The largest tributary of the river Borovački Potok, which running through a secluded forest regions of Zvijezda mountain. Bukovica passes by the medieval fortress-city of Bobovac, capital of medieval Bosnian state, and for several kilometres flows through deep and secluded canyon before spills into the Trstionica from the left in Kraljeva Sutjeska.