Welcome to the Cistern of Theodosius! To make your visit comfortable and enjoyable, we invite you to read the rules and practical tips on the following pages carefully. You can plan your visit in the easiest way with our online booking system, buying your tickets in advance for a smooth experience. We want your historical journey to be unforgettable, even if you are visiting at daytime or joining a night time show.
Address: Piyer Loti Cd. No:2/1, 34122 Fatih, Istanbul, Turkey


General Ticket Information
Payment Options: We take Turkish Lira in cash and credit cards for extra costs. Note that we do not take any foreign currencies.
Ticket Validity: Tickets are valid for a single entry on the date of purchase.
The Theodosius Cistern (Serefiye Sarnici) is a 5th-century Byzantine underground water reservoir in the historic heart of Istanbul, built during the reign of Emperor Theodosius II and restored as a cultural venue.
You can book your ticket online in advance and visit during the day, or attend an evening programme. Your e-ticket is simply shown at the entrance.
It is at Piyer Loti Cd. No:2/1, 34122 Fatih, Istanbul, a short walk from Sultanahmet. The nearest tram stop is Cemberlitas on the T1 line.
Most visitors spend around 30 to 45 minutes exploring the cistern and its light installation.
Access to the underground space is via stairs, so it can be difficult for wheelchairs and strollers. Please contact us in advance to discuss accessibility options.
Both are Byzantine cisterns in Istanbul but are separate sites. The Theodosius Cistern (Serefiye) is smaller and quieter and is known for its light and projection experience, while the Basilica Cistern (Yerebatan) is larger and busier.
Yes, photography is welcome, and the illuminated columns and their reflections are a highlight for visitors.
