Aymavilles is a town and comune in the Aosta Valley region of northwestern Italy. It is located in the Alpine area of the country, within Italy's smallest region by area, which shares borders with France and Switzerland.
As a comune, Aymavilles is one of the administrative divisions into which the Aosta Valley is organised, combining the functions of a town with those of a local government unit. The Aosta Valley is a mountainous, predominantly Italian-speaking region in the western Alps.