Abstract As for the urban reality of Algiers we have, about the period preceding the 16th century, nothing but the little information given by works of geographical nature by Arab authors ; on the other hand, during the 16th century, our knowledge of the town is enriched by the many descriptions and illustrations that were widely spread through the press in Europe. The various authors -from Jean-Léon the African, who described Algiers in 1515, to Diego de Haëdo who was a slave there around 158O, not to mention Nicolas de Nicolay, Paul Jove, Luis del Marmol Carjaval, etc.-, and the nearly always unknown authors of the engravings, show us a town that became more and more prosperous through trade and privateering. From the small provincial por...