panorama of the trvdja, the osijek citadel fortress, seen from the drava river.

afternoon architecture attraction austrohungarian balkan balkans bestpreserved center central citade citadel city cityscape croatia croatian drava european fortification fortifications fortress historic history holy hrvatska iconic its landmark landscape largest main monument northern old osijek panorama place province river seen slavonia slavonian slavonija slavonijapicture square statue summer symbol tourism tourist town trinity tvrda tvrdja tvrdjava visit visiting