The royal necropolis of the saadian family, a first series of funeral chambers was created after the burial of Prince Mohamed Cheikh in 1557. his son had a koubba erected, known as koubbat lalla Messaouda, where he was himself buried in1574. in 1591, ahmed el Mansour had his mother buried there. his three successors also lie there. a second edifice was raised, with a central room called the room of the twelve columns, it houses the sultan ahmed el Mansour’s grave, the mirhab room, the room with the three alcoves. another space is reserved to children’s graves. all the rooms are exquisitely decorated.