Simplify the following text for a Grade 6 native English-speaking person.
Original: Murs ( Mus in Occitan ) is a commune in the Vaucluse department in the Provence-Alpes-C Ã te d'Azur region in southeastern France .
Simplified: Murs is a commune of 415 people ( 1999 ) . It is located in the region Provence-Alpes-C Ã te d'Azur in the Vaucluse department in the south of France .