This sophisticated hotel is situated in Sultanahmet. Explore culture and history in Istanbul while staying at our relaxing and convenient hotel. Royan Hotel Hagia Sophia Istanbul, a member of Radisson Individuals, is in the center of this dynamic city and just 5-minutes walking distance from Holy Hagia Sophia Grand Mosque, also known simply as Hagia Sophia. The 6th-century mosque features unique Byzantine architecture and sits beside another of the city's impressive landmarks, The Blue Mosque, known officially as Sultan Ahmed Mosque.