Ключевые слова: ancient, architecture, attraction, balkan, battlefield, belgrad, belgrad castle, belgrade, beograd, beogradska, building, capital, castle, city, danube, europe, fort, fortification, fortified, fortress, historic, history, kalemegdan, kula nebojsa, landmark, medieval, monument, nandorfehervar, nebojsa, octagon, old, protection, red roof, ruins, sava, serbia, serbian, sightseeing, stone, stronghold, sun, tourism, tower, town, travel, tvrdjava, wall, walls, yugoslav, yugoslavia,