10 Rue Gresset Quartier GraslinNantes, France 44000 Phone: +33 2-4073-3104Fax: +33 2-4073-7882 Hotel E-mailHotel Website Classification 5 Limited Service First Class Commission Rooms Rates - 37 $76-$76 (USD) Hoteliers! Is your information accurate? Update Here Hotel Voltaire Opera Location & Neighborhood on a quiet street in the heart of Nantes, near the City of Congress - 10 KM from Nantes Atlantique airport.