The Leper's Tower is a tower located at the north-west corner of the Roman wall of Aosta, on the rue Jean-Boniface Festaz, in Aosta, Aosta Valley, Italy.
Wikipedia https://en.wikipedia.org/wiki/The_Leper's_Tower
Address 37 Via Torre del Lebbroso, Aosta 11100, Italy
Coordinates 45°44'3.769" N 7°18'56.211" E