SINCE 1828
Valle d'Aosta
geographical name
Val·le d'Ao·sta
| \ ˌvä-lā-dä-ˈȯs-tä
\
\
variants:
or Val d'Aosta \ ˌväl-dä-ˈȯs-tä
\
\
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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