 It included a palace stretching along the length of the moat wall; a throne hall against the Danube wall; a keep, "Donžon kula" (Donjon tower), in the corner formed by the walls; a treasury in a high chamber; and other auxiliary buildings, creating an inner city.The throne hall, where Branković received his visitors, was built with four double-arched windows, fashioned in a mixed Gothic/Romanesque style.