Rue du Parnasse 15Brussels, Belgium 1050 Phone: +32 2-505-2929Fax: +32 2-505-2555Toll Free: +800-228-9290 Hotel Website Classification 6 First Class Commission Rooms Rates 10% 57 - Hoteliers! Is your information accurate? Update Here Marriott Exec Apts European Quarters Location & Neighborhood 13 KM from Brussels airport.