It is situated between the rivers Una, Sava, Sana and Vrbas, in the Republika Srpska entity of Bosnia and Herzegovina.

These 33.75 square kilometers of dense forest and hilly meadows have earned the nickname 'Green Beauty of Krajina'.

[3] Kozara is a popular hunting ground too, with a large 180 square kilometers area of the park open to regulated hunting of deer, pheasants, foxes, boars, hares, and ducks.

The Partisans intimate knowledge of Bosnia's rough terrain gave them an advantage over the newly occupying Nazi Germans.

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