Avignon is the prefecture of the Vaucluse department in the Provence-Alpes-Côte d'Azur region of southeastern France. Located on the left bank of the river Rhône, the commune had a population of 93,671 as of the census results of 2017, with about 16,000 living in the ancient town centre enclosed by its medieval walls. It is France's 35th-largest metropolitan area according to INSEE with 337,039 inhabitants, and France's 13th-largest urban unit with 459,533 inhabitants.