70 % af Athens Resort Casino ejes af Regency Entertainment Psychagogiki kai Touristiki AE (tidligere Hyatt Regency Xenodocheiaki kai Touristiki (Thessaloniki) AE), og de resterende 30 % af Ellaktor AE (tidligere Elliniki Technodomiki AE). I Grækenland driver og kontrollerer Hyatt Regency ligeledes Regency Casino Thessaloniki.
70 % of ARC is owned by the company Regency Entertainment Leisure and Tourism S.A (formerly Hyatt Regency Hotels and Tourism Thessaloniki S. A.) and the remaining 30 % by the company Ellaktor S.A. (formerly Elliniki Technodomiki S.A.) In Greece, Hyatt Regency also operates and controls Regency Casino Thessaloniki.