"B\u00E9lak\u00FAt Abbey" . . . . "1780" . . . . . . . . . "Petrovaradin" . . . . . . "1692" . . . "/" . "Gibraltar on the Danube" . "Petrovaradin Fortress" . "Petrovaradin fortress" . "Petrovaradin Upper and Lower Fortress" . . "Petrovaradin Fortress" . . . . .