Great Mosque or Mosque of Olives - the largest and oldest mosque (built in 732) in the capital and the second in Tunis after kayruanskoy. There is an ancient legend which tells that, in the place where now stands the mosque, once grew marvelous olive tree, and before that was the Roman Forum. The mosque was repeatedly rebuilt and expanded.

For the ritual ablutions in the mosque is only rainwater, which is collected in special tanks. Noteworthy is a beautiful dome of a mosque. Large and dark prayer hall of the mosque is decorated with chandeliers of Venetian glass. Arch Hall based on the magnificent ancient columns with carved capitals.

The mosque is surrounded by numerous madrasas. Here, in the XIV century. He worked for the famous Tunisian Ibn educator Kaldun, which is called the "father of sociology".