During World War II, the town was occupied by Axis troops and was included into the Pavelić's Independent State of Croatia (NDH).

[3] The biggest massacre was committed by the Croatian Home Guard in January 1942, when the village Draksenić was burned and more than 1600 were people killed.

During the war the city was under siege by the Croatian Army during a failed operation called Operacija Una 95.

On September 18, 1995, the Croatian army made a descent across the Una River and took control of some parts of Bosanska Dubica.

Situated in the valley of the rivers, the municipality of Kozarska Dubica has more than 316.09 square kilometres (122.04 sq mi) of arable land, to which agriculture is an important development factor.

Agricultural production is focused on land cultivation, cattle breeding, raising of industrial crops, and recently the development of fruit and wine growing.

The following table gives a preview of total number of registered people employed in legal entities per their core activity (as of 2018):[7] Every year outside Bosnia and Herzegovina, the annual Bosansko Dubičko Veče is held.

Sydney, Australia, also holds the same celebration in order to gather people of Kozarska Dubica from different Australian and New Zealand areas.

Work continues on creating a congress that would meet once every two years, in order to help young children born outside of Kozarska Dubica to retain the heritage and cultural traditions.

These celebrations typically attract many Bosniaks; however, many Croats and Serbs also come to show their respect towards their heritage and the town of Kozarska Dubica, and to reunite with former neighbors.

Spa Mlječanica is the center for physiatrics, rehabilitation, and health in Kozarska Dubica, located on the northwest slopes of Kozara.

A modern, specialized institution for physical medicine and rehabilitation, it provides ideal conditions for a successful rest and recovery for its clients.

Because of its location right on the Una River, fishing has developed into a long time tradition, drawing people from different areas.

Una-Sana  Central Bosnia Posavina  Herzegovina-Neretva Tuzla  West Herzegovina Zenica-Doboj  Sarajevo Bosnian Podrinje Canton 10