Dar al-Sultan (Arabic: دار السلطان‎) is a palace dating back to the Marinid dynasty in the village of Ubbad, 2km south of Tlemcen, Algeria. The palace is a part of the greater complex of Sidi Abu Madyan Mosque. The palace is named as "Dar al-Sultan" which means "house of the sultan" as sultans had stayed there during their visit to Ubbad.[1] Construction of the palace was carried out simultaneously with the construction of Sidi Abu Madyan Mosque in 1339.