Marignane is a commune in the Bouches-du-Rhône department in the Provence-Alpes-Côte d'Azur region in southern France. It is a compo…Marignane is a commune in the Bouches-du-Rhône department in the Provence-Alpes-Côte d'Azur region in southern France. It is a component of the Aix-Marseille-Provence Metropolis, and the largest suburb of the city of Marseille. It is located 18.3 km to the northwest of Marseille.