Kozarska Dubica (Cyrillic: Козарска Дубица) is a town and municipality located in northern Bosnia and Herzegovina and is administratively part of the Republika Srpska entity. Dubica, for short, is situated in the eastern part of Bosanska Krajina region. The municipality of Hrvatska Dubica lies to the north, in Croatia. Dubica is situated 26 kilometres (16 miles) from the Zagreb–Belgrade Highway. The town and its suburbs border the Republic of Croatia to the north, the town of Gradiška to the east, the town of Kostajnica to the west, and the town of Prijedor to the south. The land area of Dubica is 499 square kilometres (193 sq mi) and the population is about 23,000 (2013 census).