Step into the fascinating world of Byzantine engineering with a visit to the Theodosius Cistern (Şerefiye Sarnıcı), one of Istanbul’s oldest and most beautifully preserved underground structures. With skip-the-ticket-line access and an included audio guide app, explore this remarkable 5th-century marvel at your own pace.
Wander among the 32 marble columns, admire the vaulted ceilings, and experience atmospheric lighting that brings the site’s rich history to life. This self-guided tour offers a deep look into the water supply systems of ancient Constantinople, blending history, architecture, and immersive storytelling.
Offline Audio Access – Download your audio guide in advance to avoid roaming charges and enjoy offline narration, maps, and text.
Important Note – Security checks are mandatory for all visitors and may require a short wait.
Step into the fascinating world of Byzantine engineering with a visit to the Theodosius Cistern (Şerefiye Sarnıcı), one of Istanbul’s oldest and most beautifully preserved underground structures. With skip-the-ticket-line access and an included audio guide app, explore this remarkable 5th-century marvel at your own pace. Wander among the 32 marble columns, admire the vaulted ceilings, and experience atmospheric lighting that brings the site’s rich history to life. This self-guided tour offers a deep look into the water supply systems of ancient Constantinople, blending history, architecture, and immersive storytelling.
You will make your own way to the meeting points
The supplier, Cosmic Tickets & Audios, will promptly send you an email with your entry ticket and the activation link for the audio guide as soon as your reservation is confirmed. PLEASE NOTE: The last admission is 1 hour before closing time. Security checks are mandatory for all visitors. It is not possible to skip the security lines, which may result in a brief wait at the entrance.