Valle d'Aosta
geographical name
Val·le d'Ao·sta
ˌvä-lā-dä-ˈȯs-tä 
variants
or Val 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
Cite this Entry
“Valle d'Aosta.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Valle%20d%27Aosta. Accessed 4 Nov. 2025.
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