Input (grade 12): Lioux (LiuÃ in Occitan) is a commune in the Vaucluse department in the Provence-Alpes-C Ã te d'Azur region in southeastern France.
Output (grade 7): It is located in the region Provence-Alpes-C Ã te d'Azur in the Vaucluse department in the south of France.