Cityzenbooking: serviced apartements online booking for your short and long stays, more than aparthotels available, get the best deals and save up to 60 %. Barceló Aran Mantegna Rome, Italy. The best urban hotel for business travellers and conventions. The Barceló Aran Mantegna**** is located in. As the third largest economy in the Eurozone, there is a wide range of business activity in Italy.