This paper deals with the hammam in the Smederevo fortress, erected by Firuz Agha, the head of the Sultan’s treasury, between 1485 and 1490. Using Ottoman sources, the authors are able to determine the time of construction, the method of work and the role that this public bath played for Smederevo’s inhabitants. The hammam was very important for the functioning of the great Firuz’s waqf, which included numerous buildings in the Balkans and Anatolia. Based on data on the waqf’s revenue, it may be concluded that until the mid-16th century the hammam in the Smederevo fortress was one of the most profitable facilities of its kind in the Ottoman Empire. Over a quarter of a century, Firuz, as the court agha and later as...