epa is a village located in the municipality of Rogatica with a total area of 4.85 km and is situated on the banks of epa river.
It is situated northeast of Rogatica itself on the banks of short river with a same name, the Zepa river, which flows into the Drina river nearby, in a valley between the mountains Javor and Devetak. Zepa (Serbian Cyrillic: ) is a village located in the municipality of Rogatica, Republika Srpska, Bosnia and Herzegovina. 4.85 km (1.87 sq mi) 
