Simplify the following text for a Grade 6 native English-speaking person.
Original: Vitrolles-en-Luberon is a commune in the Vaucluse department in the Provence-Alpes-C Ã te d'Azur region in southeastern France .
Simplified: Vitrolles-en-Luberon is a commune . It is found in the region Provence-Alpes-C Ã te d'Azur in the Vaucluse department in the south of France .