Avignon (, also US: ; French: [aviɲɔ̃] (listen); Provençal: Avinhon (Classical norm) or Avignoun (Mistralian norm), IPA: [aviˈɲun]; Latin: Avenio) 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 (estimate from Avignon's municipal services) living in the ancient town centre enclosed by its medieval walls.