Water Beneath the Ceiling: Four Cisterns of Istanbul

1. 01
   History

   Trace the Undated Cistern

   Visit Şerefiye Cistern and look closely at its 32 columns arranged in two rows. The structure is commonly dated to the 5th century, but that date is only an estimate because there is no inscription on the building itself; the dating relies on its connection to another nearby structure. After restoration, it became a museum, and since September 2026 Turkish citizens can enter for one lira.

   Şerefiye Sarnıcı, Istanbul, Turkey
2. 02
   History

   Count What Binbirdirek Really Has

   Stop at the door of Binbirdirek Cistern, also known in Byzantine sources as the Cistern of Philoxenos. Its name suggests one thousand and one columns, but that number is wrong: the cistern was built with 224 columns, and 212 still stand today. It is now used mainly as a private event venue, so the door is not open for regular visits every day.

   Binbirdirek Sarnıcı, Istanbul, Turkey
3. 03
   Culture

   Tell the Day Shift from the Night Shift

   Enter Basilica Cistern and experience Istanbul's best-known cistern in its two different operating shifts: from 9:00 to 18:30, then after a one-hour closure it reopens at 19:30. The same space feels completely different once the lighting changes. Since the 2022 restoration, the site also has an elevator.

   Basilica Cistern, Istanbul, Turkey
4. 04
   Exploration

   Save the Free One for Last

   Finish at Gülhane Cistern inside Gülhane Park. This small cistern is now used as an exhibition hall and entry is free. What sets it apart from the other three is not its size but its function: instead of storing water, it now displays contemporary works. It is closed on Mondays and open until 19:00 on other days.

   Gülhane Sarnıcı, Gülhane Park, Istanbul, Turkey

Check opening hours before you go. Hours, access conditions and weather can change.