The Kastel Fortress is a fortress located in Banja Luka, Bosnia and Herzegovina. The fortress is medieval but is situated on the site of previous fortifications going back to Roman and even pre-Roman times. It was captured by the Ottoman Empire in 1527. The fortress is relatively well-preserved, and is one of Banja Luka's main attractions, situated on the left bank of the Vrbas river in the very center of town

Krupa Waterfalls, located near the city of Banja Luka in Bosnia and Herzegovina, are a hidden gem waiting to be discovered by nature lovers and adventure seekers. This stunning natural wonder is nestled in the lush greenery of the Krupa River canyon, offering visitors a peaceful escape from the hustle and bustle of everyday life.

Aquapark "Akuana" is located on the alley of St. Sava within walking distance from the center of Banja Luka. The area of ​​the park is 38,000 square meters. There are three swimming pools with a total area of ​​1,500 square meters.

The Cathedral of Saint Bonaventure in Banja Luka is one of four Roman Catholic cathedrals in Bosnia and Herzegovina. It is the seat of the Banja Luka Bishopric currently led by Bishop Franjo Komarica. The cathedral was built in honor of Saint Bonaventure, a Franciscan theologian from the Middle Ages. It was constructed by Alfred Pichler in the 1970s after the original had been damaged in an earthquake.