Input (grade 9): Pertuis is a commune in the Vaucluse department in the Provence-Alpes-C Ã te d'Azur region in southeastern France.
Output (grade 6): Pertuis is a commune of 18,906 people (2006). It is located in the region Provence-Alpes-C Ã te d'Azur in the Vaucluse department in the south of France.