Piazza Ognissanti 1Florence, Italy 50123 Phone: +39 055-27161Fax: +39 055-217400Toll Free: +877-787-3447 Hotel E-mailHotel Website Classification 10 Superior Deluxe Commission Rooms Rates 10% 99 $768-$5,942 (USD) Hoteliers! Is your information accurate? Update Here The St Regis Florence Location & Neighborhood Centrally located, on the banks of the river Arno, in historic ctr - 80 KM, 1 hr from Pisa Intl airport.