Aosta (; French: Aoste - ; ) is the principal city of Aosta Valley, a bilingual region in the Italian Alps, north-northwest of Turin. It is situated near the Italian entrance of the Mont Blanc Tunnel, at the confluence of the Buthier and the Dora Baltea , and at the junction of the Great and Little St. Bernard routes. Aosta is not the capital of the province, because Aosta Valley is the only Italian region not divided into provinces. Provincial administrative functions are instead shared by the region and the communes.