Martin Luther Strasse 1Berlin, Germany 10777 Phone: +49 30-280-9000Fax: +49 030-2809-0001Toll Free: +888-RIU-4990 Hotel Website Classification 6 First Class Commission Rooms Rates 10% 357 $124-$567 (USD) Hoteliers! Is your information accurate? Update Here Riu Plaza Berlin Location & Neighborhood City Center. 35 KM from PotsdamNearest Cross Street: Martin Luther / Kleist Str.