Aix-en-Provence Aix-en-Provence Aix-en-Provence (; , ; ), or simply Aix (; medieval Occitan "Aics"), is a city-commune in the south of France, about north of Marseille. A former capital of Provence, it is in the region of Provence-Alpes-Côte d'Azur, in the department of Bouches-du-Rhône, of which it is a subprefecture. The population of Aix numbers approximately 143,000. Its inhabitants are called "Aixois" or, less commonly, "Aquisextains". Aix ("Aquae Sextiae") was founded in 123 BC by the Roman consul Sextius Calvinus, who gave his name to its springs, following the destruction of the nearby Gallic oppidum at Entremont. In 102 BC its
Provence Nice and the lower Alps, was detached from Provence and attached to the lands of the Duke of Savoy. The lower Alps were re-attached to France after the Treaty of Utrecht in 1713, but Nice did not return to France until 1860, during the reign of Napoleon III. The administrative region of Provence-Alpes-Cote d'Azur was created in 1982. It included Provence, plus the territory of the Comtat Venaissin around Avignon, the eastern portion of the Dauphiné, and the former county of Nice. The Rhône river, on the western border of Provence, is one of the major rivers of France, and