Una National Park is located in northwestern Bosnia and Herzegovina, near the border with Croatia. It was established in 2008 and covers an area of 196 square kilometers. The park is named after the Una River, which runs through the area and is known for its crystal-clear waters and waterfalls.

The Una River is the main attraction of the park and provides opportunities for kayaking, rafting, and fishing. The river is also home to several species of fish, including the huchen, which is the largest species of freshwater fish in Europe. The park is also home to several waterfalls, including the Una Falls, which is the largest waterfall in the park and one of the most impressive in the Balkans.

The park is home to a variety of wildlife, including brown bears, wolves, lynx, and deer. The area is also known for its birdlife, with over 200 species recorded in the park.

In addition to its natural attractions, Una National Park also has a rich cultural heritage. The area has been inhabited since prehistoric times and has a long history of human settlement. There are several historic sites in the park, including the medieval town of Ostrozac, the Cazin Fortress, and the Hrvoje's Tower.

Visitors to Una National Park can enjoy a range of activities, including hiking, cycling, and wildlife watching. There are several trails in the park that provide access to the waterfalls and other natural attractions. The park also has several picnic areas and camping sites, as well as a visitor center with information about the park and its attractions.