Aix-en-Provence, frequently referred to as Aix, is a city and commune located in southern France. It is situated approximately 30 km (20 mi) north of Marseille within the department of Bouches-du-Rhône in the Provence-Alpes-Côte d'Azur region.
The city serves as the subprefecture of the arrondissement of Aix-enProvence and was formerly the capital of Provence. It has a population of approximately 148,000 residents, who are known as Aixois or, less commonly, Aquisextains.