Any opinions or comments on the hotel Quirinale, Rome?
Thank you.
3000+ reviews on TripAdvisor:
https://www.tripadvisor.com/Hotel_Review-g187791-d205121-Reviews-Quirinale_Hotel-Rome_Lazio.html
Those should at least give you an idea.
As far as I remember, there is a door getting directly from the hotel into the opera house :-)