Apt is a commune in the Vaucluse department in the Provence-Alpes-Côte d'Azur region in southeastern France. It lies on the left bank of the Calavon, 41 miles east of Avignon. It is the principal town of the Luberon mountains.
Country: France
Region: Provence-Alpes-Côte d'Azur
Area: 44.57 km² (17.21 sq mi)
Elevation: 170–567 m (558–1,860 ft) · (avg. 253 m or 830 ft)