Valbonne is a commune near Nice in the Alpes-Maritimes department in the Provence-Alpes-Côte d'Azur region in southeastern France. Valb…Valbonne is a commune near Nice in the Alpes-Maritimes department in the Provence-Alpes-Côte d'Azur region in southeastern France. Valbonne means "the good valley" in Provençal and translates to "Vaubona" in Occitan.