Karlovac is known as the city of parks, the city – the star, the town of beer … But this is also the city where natural and cultural landscapes are pervasive in a unique way in the world, at the entrance of the four rivers. The reason for the accommodation of Karlovac, the historic town-star, in the corner of Kupa and Korana was military-strategic. Spatially spreading, the city over time has covered the flow of two more rivers, Mrežnice and Dobre …