1) Nature reserve in Serbia 
The Uvac (Serbian, Bosnian: Uvac, Увац) is an international transboundary river, rising under Golija mountain and Pešter plateau, then flowing through southwestern Serbia and cross into eastern Bosnia and Herzegovina (Republika Srpska) where, after 119 km, finally meets the Lim river from the right, however, before it empties into the Lim, fo...