Salon-de-Provence (French: [salɔ̃ d(ə) pʁɔvɑ̃s], locally [saˈlɔ̃ᵑ də pχoˈvãⁿsə]; Provençal Occitan: Selon de Provença or Seloun de Prouvènço, pronounced [seˈlu de pʀuˈvɛnsɔ]), commonly known as Salon, is a commune located about 52 km (32 mi) northwest of Marseille in the Bouches-du-Rhône department (Metropolis of Aix-Marseille Provence), region of Provence-Alpes-Côte d'Azur, Southern France. It is the home of an important French Air and Space Force (Armée de l'Air et de l'Espace) air base.