Simplify the following text for a Grade 7 native English-speaking person.
Original: Peyrolles-en-Provence is a commune in the Bouches-du-Rh Ã ne department in southern France .
Simplified: Peyrolles-en-Provence is a commune of 4,286 people ( 2007 ) . It is found in the region Provence-Alpes-C Ã te d'Azur in the Bouches-du-Rh Ã ne department in the south of France .