International audienceThe Emirate of Barqa and the Fatimids : the stakes of the navigation in the central Mediterranean (11th century A. D.) In spite of their oriental attraction and their installation in Egypt in 973, the Fatimids never lost their interests for Ifriqiya and Sicily. The Geniza letters give new informations concerning the Barqa’s area in modern Libya in the beginning of the xi th century. Unable to ensure the order themselves, the Fatimids had to put up with the settlement in the area of an uncontrollable Bedouins clan: the Banū Qurrā’ and their chiefs.They created a corsary emirate in charge of the security of the shipping lanes in the name of the Fatimids. These emirs used to get from the Fatimids caliphate an astonishing ...