Early history of Bosnia and Herzegovina blocks. Daors made unique bronze coins and sculptures. Conflict between the Illyrians and ancient Romans started in 229 BC. In the year 168 BC, the land of Illyrians became the Roman province of Illyricum. Rome complete its annexation of the region in 9, ending a three-year rebellion of Illyrians against Romans. In year 10, Illyria was divided and the northern strip of today's Bosnia along the south side of the Sava River became part of the new province of Pannonia. The rest of what is today Bosnia, Herzegovina, Montenegro, Dalmatia, and western Serbia became part of the Roman province of
Kostajnica, Bosnia and Herzegovina Kostajnica, Bosnia and Herzegovina Kostajnica (), is a town and municipality located in northern Republika Srpska, an entity of Bosnia and Herzegovina. It is situated in the part of the Кrajina region. As of 2013, it has a population of 5,977 inhabitants. The municipality was created from part of the pre-war municipality of Novi Grad. It is located across the Una from Hrvatska Kostajnica, Croatia. During the Bosnian War, it was renamed to "Srpska Kostajnica" (Српска Костајница). After that, name of the town was changed to "Kostajnica". According to the 2013 census results, the municipality has 5,977 inhabitants. In the