The algerian port cities are faced with many difficulties and Algiers, being situated on a bay where the problem of space is set with a great sharpness, is the best example. Taking up a strategic position between the city centre and the port, the port quarter has for a long time been a space where the activities of both the city and the port could be performed in harmony. But since these two entities grew more and more important, the port quarter has become the object of spatial covetous, which has generated a situation of conflict. The port quarter is today a saturated surface in the image of the two surrounding dynamic spaces. This study deals with the spatial and functional causes and consequences of the problem of Algiers City and its p...