Canton of AptThe canton d'Apt is a French administrative division in the department of Vaucluse and region Provence-Alpes-Côte d'Azur.CompositionAt the French canton reorganisation which came into effect in March 2015, the canton was expanded from 13 to 27 communes: Apt Auribeau Beaumettes Bonnieux Buoux Caseneuve Castellet-en-Luberon Gargas Gignac Gordes Goult Joucas Lacoste Lagarde-d'Apt Lioux Ménerbes Murs Oppède Roussillon Rustrel Saignon Saint-Martin-de-Castillon Saint-Pantaléon Saint-Saturnin-lès-Apt Sivergues Viens Villars