Qubbat al-Khazna
33°30′42″N 36°18′22″E / 33.511699°N 36.30608°E
Qubbat al-Khazna (Arabic: قبة الخزنة, romanized: Qubbat al-Khaznah, lit. 'Dome of the Treasury'), also known as the Bayt al-Mal or Beit al-Mal, is an old structure within the courtyard of the Umayyad Mosque in Damascus, Syria. It is an octagonal structure decorated with mosaics, standing on eight Roman columns.