Travel City of Zadar Zadar is an ancient Mediterranean port city. The old town, surrounded by walls and towers on a peninsula, with a new, urban part is connected by a bridge, a symbol of the city. National parks Discover special nature beauties which can be found in eight Croatia’s National Parks. Unique combination of mountains, rivers, lakes and islands is very cool. Mediterranean Adriatic Sea, an arm of the Mediterranean Sea. Dinaric Alps Dinaric Alps, a mountain system of the Balkan Peninsula.