Montjovet (Valdôtain: Mondjouet) is a town and comune in the Aosta Valley region of north-western Italy. Montjovet lies in the lower Aosta Valley, between France and Switzerland. Though it only has an area of 18.7 square kilometers, the commune has 50 villages and hamlets, and a number of hills, the highest of which is Mont Lyan, at 2174 metres.