2. Petrovaradin FortressPetrovaradin Petrovaradin Fortress , nicknamed Gibraltar on/of the Danube is a fortress in the town of Petrovaradin, itself part of the City of Novi Sad, Serbia. It is located on the right bank of the Danube river. The cornerstone of the present-day southern part of the fortress was laid on 18 October 1692 by Charles Eugène de Croÿ. Petrovaradin Fortress has many underground tunnels as well as 16 km of uncollapsed underground countermine system. In 1991 Petrovaradin Fortress was added to Spatial Cultural-Historical Units of Great Importance list, and it is protected by the Republic of Serbia. From Wikipedia, the free encyclopedia.
6. Sremski KarlovciSremski Karlovci For the forester, see Hans Carl von Carlowitz. Sremski Karlovci is a town and municipality located in the South Bačka District of the autonomous province of Vojvodina, Serbia. It is situated on the bank of the river Danube, 8 kilometres from Novi Sad. According to the 2011 census results, it has a population of 8,750 inhabitants. The town has traditionally been known as the seat of the Serbian Orthodox Church in the Habsburg Monarchy, as well as political and cultural capital of Serbian Vojvodina after the May Assembly and during the Revolution in 1848. From Wikipedia, the free encyclopedia.