The Dent d'Hérens is a mountain in the Pennine Alps, lying on the border between Italy and Switzerland. The mountain lies a few kilometres west of the Matterhorn. The Aosta hut is used for the normal route.
Wikipedia https://en.wikipedia.org/wiki/Dent_d'Hérens
Address 11010, Italy
Coordinates 45°58'11.924" N 7°36'18.125" E