You are welcome in Italy with your UAV.
Maximum take-off weight: No limit
Maximum hight: 150 meters / 492 ft.
Maximum horizontal distance: Keep visual eye contact with the UAV
Maximum distance persons:
Minimum age: -
Distance Airports / Heliports: 10 km / 6.37 mi
Night flights: Prohibited
Prohibited: City centers of Rome, Venice, Milan, Vaticancity, Pisa, all historical buildings, crowded areas, beaches.
See also Vatican City, if you are going to Rome.
Useful link: Italia Civil Aviation Authority (ENAC)
Contact information: firstname.lastname@example.org / +39 0644 5961