defensive wall of kavala byzantine castle girdled hill of ​​13 hectares. enclosure was reinforced by round and square towers

ancient architecture balkan bastions battlement blue byzantine castle citadel clouds culture defense defensive destination eastern enclosure europa flag fort fortress garrison girdled greece greek hectares hellenic heritage hill historical kavala knight masonry mediaeval medieval mediterranean old outdoor panorama past photograph reinforced round scenic sight sky square stone summer tour tourism touristic tower towers town traditional travel trip unique visit wall was white