Ключевые слова: ancient, architecture, arms, army, attraction, balkans, bastion, battle, belgrade, belgrade fortress, beograd, building, capital city, castle, citadel, combat, confluence, danube, defence, defense, destination, europe, famous, fort, fortification, fortress, history, kalemegdan, landmark, medieval, military, military museum, monument, museum, museum institution, old, ottoman, park, river, sava, serbia, sightseeing, srbija, stone, stronghold, tourist, travel, wall, war, weapons,