Hrvatska Kostajnica

Hrvatska Kostajnica, often just Kostajnica, is a small town in central Croatia, population 1,993, with total municipality population of 2,746. Croats make up 77.02% of the municipalities population and Serbs make up 15.77%, according to the 2001 population census. It is located on the Una river in the Sisak-Moslavina county, south of Petrinja and Sisak and across the river from Bosanska Kostajnica in Bosnia and Herzegovina.