Inter-Entity Boundary Line
The Inter-Entity Boundary Line (IEBL; Serbo-Croatian: Međuentitetska linija razgraničenja, Међуентитетска линија разграничења) is the administrative line that subdivides Bosnia and Herzegovina into two entities, Republika Srpska and the Federation of Bosnia and Herzegovina. The total length of the Inter-Entity Boundary Line is 1,080 km (670 miles).