Banja Luka is a vibrant city located in the Republika Srpska region of Bosnia and Herzegovina. Situated on the banks of the Vrbas River, it is the second-largest city in the country and serves as its administrative, economic, and cultural center. Known for its rich history and picturesque landscapes, Banja Luka offers a unique blend of traditional charm and modern amenities. The city boasts a diverse architectural heritage, with influences from various periods, including Ottoman, Austro-Hungarian, and Yugoslav eras. Strolling through its streets, visitors can admire stunning buildings, such as the iconic Ferhadija Mosque, the Kastel Fortress, and the Cathedral of Christ the Savior.