The city of Karlovac is situated in the very heart of Croatia, where valleys and hills meet, on the delta of four rivers - Korana, Kupa, Mrežnica and Dobra. Karlovac was built in the 16th century as an unique city core formed as a six-pointed star with a purpose of defense from the Turkish conquerors. Besides Karlovac, only two other towns in Europe have similar plans (Palmanova in Italy and Novy Zamk in Slovakia).

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