Fortress Kastel
In the heart of the city of Banja Luka stands Kastel, a witness to the past, a skeleton of the present and a prediction of the future. Located in the heart of the city, the fortress has a rich past. The old walls of the Castle are there to wake your curiosity about the history of the city, the stories of battles, trade, successes and failures, which are witnessed and marked by the fortress itself.