The Bayt al-Razzaz Palace was constructed from the late 15th century through the late 18th century in the heart of medieval Cairo, Egypt. Bayt al-Razzaz is an abandoned 178-room urban palace in the Darb al-Ahmar neighborhood of medieval Cairo. It is a property of the Egyptian Supreme Council of Antiquities. It was built in the time of the Mamluk sultan Qayt Bay or Qaitbay.