Marvel at the domes. Walk Istanbul’s Old City. Your Blue Mosque visit starts here. Discover Istanbul’s most iconic landmark with Blue Mosque – Tickets & Tours. Also known as the Sultan Ahmed Mosque, this UNESCO World Heritage site is a masterpiece of Ottoman architecture and a must-see in the heart of Istanbul’s Old City. - Guided tours of the Blue Mosque & Hippodrome - Combo tickets with Hagia Sophia & Topkapi Palace - Bosphorus cruises with Old City views - Istanbul Old Town walking tours - Skip-the-line access to top attractions nearby - Instant booking with mobile tickets Explore the history, culture, and beauty of Istanbul with ease.