Valle d'Aosta

geographical name Val·le d'Ao·sta \ ˌvä-lā-dä-ˈȯs-tä \
variants: or Val d'Aosta play \ˌväl-dä-\

Definition of Valle d'Aosta

autonomous region of northwestern Italy bordering on France and Switzerland northwest of Piedmont; capital Aosta area 1260 square miles (3263 square kilometers), population 126,806

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