The Four Seasons Hotel Istanbul at Sultanahmet has an excellent location for sightseeing, conveniently located near major historical landmarks such as the Blue Mosque and Agia Sophia. The hotel boasts high-end amenities, friendly staff and beautiful aesthetics. Despite being in the busiest and touristy area, guests appreciate the serenity and quietness of the hotel. The location is described as perfect, ideal, beautiful and privileged. While some suggest the hotel is due for renovations, it still maintains its character and charm. Overall, it's an excellent choice for those visiting Istanbul.