The Main Square of Ghadames is, like the seven tributary squares, surprisingly small in size given its importance in the public life of the city. With two mosques overlooking its open courtyard, the square is simple and lacks the charm of some of the smaller squares. In a niche on the northwest wall of the square, built into the back wall of the Yunis Mosque, is Al-Kadus, the unlikely headquarters of Ghadames' water supply regulator,
