Basilica Cistern

For years the cistern was run by the İstanbul Metropolitan Municipality through its culture company, which restored it and reopened it in 2022 with an evening session and a stiff foreign-visitor fare. On 2 June 2026 it was evacuated and formally handed to the General Directorate of Foundations, a national body under the Ministry of Culture and Tourism, and closed while the new administration set up its own ticketing. It reopened free over the weekend of 6–7 June and returned to paid entry on Monday 8 June.

That is the confirmed sequence. What has not appeared since is a published tariff, a stated opening time, or any statement about the night session the previous operator ran. This guide prints what it can source and says plainly where the source does not exist.

A forest of 336 columns, most of them second-hand — Roman shafts and capitals carried in from older buildings — holding a brick vault over water that is now kept shallow and lit. The walkway runs a one-way circuit on raised platforms, so the visit has a fixed direction and no shortcuts.

The two Medusa heads sit at the far end, one on its side and one upside down. Nobody knows why they were placed that way; the practical explanation is that they were the right height as blocks. The Hen's Eye column, carved with teardrops, is the other thing people look for. Sound carries strangely, the air is cool in August, and it is the only sight in Sultanahmet that is better in bad weather.

Two options. Buy at the door, where the price will be whatever is on the board that day, and pay by card or İstanbulkart — museum entrances stopped taking cash on 1 August 2025. Or book a listing that states its own price up front and carries free cancellation, which shifts the uncertainty onto the seller.

What not to do is plan a budget around a figure from a blog. The numbers circulating — ₺1,950 by day, ₺3,000 at night — are the old municipal tariff or the Şerefiye Cistern's, and neither is a statement by the body that now runs the site.