There has since been calls by Bosnian Serb politicians for the secession of Republika Srpska , and possible unification with Serbia .
Bosnia and Herzegovina was established as a federal republic , made up by two separate entities , one being Serb - inhabited Republika Srpska .
There has since been calls by Serb   politicians for the secession of Republika Srpska , and possible unification with Serbia .
Bosnia and Herzegovina was established as a federal republic , made up by two separate entities , one being Serb - inhabited Republika Srpska .