Saint-Nicolas (Valdôtain: Sen-Nicolà) is a town and comune in the autonomous region of Aosta Valley, in northern Italy. It consists of 13 hamlets located between 950 and 1,550 metres (3,120 and 5,090 ft) above sea level. Sitting like a balcony above the Dora Baltea Valley, Saint-Nicolas overlooks the four major lateral valleys of the mid-upper Aosta valley.