Petrovac is a municipality in Republika Srpska, Bosnia and Herzegovina. It is situated in the western part of Republika Srpska and the central part of the Krajina region. Petrovac was created from a small part of the pre-war municipality of Bosanski Petrovac, whose remaining portion kept the original name and is a part of the Federation of Bosnia and Herzegov…Petrovac is a municipality in Republika Srpska, Bosnia and Herzegovina. It is situated in the western part of Republika Srpska and the central part of the Krajina region. Petrovac was created from a small part of the pre-war municipality of Bosanski Petrovac, whose remaining portion kept the original name and is a part of the Federation of Bosnia and Herzegovina. The municipality seat is the village of Drinić.