Map of Serbia with Kosovo and Republika Srpska

Republika Srpska is one of the two entities of Bosnia and Herzegovina, the other being the Federation of Bosnia and Herzegovina. It is located in the northern and eastern parts of the country and had a population of 1,228,423 according to the 2013 census. The largest city and administrative center is Banja Luka, situated on the Vrbas River.
  • Capital: Sarajevo · Istočno Sarajevo (de jure) Banja Luka (de facto)
  • Largest city: Banja Luka
  • Country: Bosnia and Herzegovina
  • Proclaimed: 9 January 1992
  • Official languages: Serbian · Bosnian · Croatian · Montengrin
  • Government: Federated state
  • Legislature: National Assembly
Data from: en.wikipedia.org