Banja Luka or Banjaluka is the second largest city in Bosnia and Herzegovina and the largest city of Republika Srpska. Banja Luka is the traditional centre of the densely-forested Bosanska Krajina region of northwestern Bosnia. From Wikipedia
Anna Lührmann faced threats and was declared persona non grata during her visit to Banja Luka, following sanctions against Milorad Dodik and his allies.