Simplify the following text for a Grade 7 native English-speaking person.
Original: MÃ nerbes is a commune in the Vaucluse department in the Provence-Alpes-C Ã te d'Azur region in southeastern France , a walled village on a hilltop in the Luberon mountains , footbills of the French Alps .
Simplified: MÃ nerbes is a commune of 1,157 people ( 2006 ) . It is located in the region Provence-Alpes-C Ã te d'Azur in the Vaucluse department in the south of France .