FAQs about Basilica Cistern in Istanbul

Frequently Asked Questions About Basilica Cistern

What was the Basilica Cistern used for?

The Basilica Cistern was built in the 6th century as a major water storage system for Constantinople. It stored water brought through aqueducts from the Belgrade Forest and supplied the Great Palace, public buildings, and surrounding districts. Its purpose was to provide clean, secure water during normal use, droughts, and siege conditions, making it one of the most vital reservoirs of the Byzantine capital.

Read more: About Basilica Cistern in Istanbul

How do I Book Tickets to the Basilica Cistern?

To save time and moneyit is highly recommended to book your Basilica Cistern tickets online. Online tickets can allow you to skip the line and provide more advantages, such as discounts or combo options. Online ticket booking is also convenient, as you can do it with a single click.

→  Book your Basilica Cistern Tickets here in advance 

HOW DO YOU SKIP THE LINE AT BASILICA CISTERN IN ISTANBUL?

Skip the line access is available when you purchase a Basilica Cistern skip the line ticket online. These priority tickets allow you to enter directly during operating hours, and depending on the provider you may also have the option to choose a specific entry time.

This helps you avoid the regular ticket queue, which is especially useful during busy periods and weekends. Simply show your mobile ticket at the entrance, follow the fast entry route, and begin your visit without waiting.

 → Book your Basilica Cistern skip the line ticket here to secure fast access.

Why is the Basilica Cistern called "Underground Palace" (Yerebatan Sarayı)?

The Basilica Cistern in Istanbul earned the name Underground Palace because of its grand architectural design hidden beneath the city.  The columns form a colonnaded corridor reminiscent of a palace's halls. The water in the cistern is also unusually still, creating a mirrored surface that adds to the palace image.

 → Read more: Inside Basilica Cistern

How old is the Basilica Cistern in Istanbul?

The mesmerizing Basilica Cistern was built by Emperor Justinian in 532 A.C. So now it is more than 1400 years old.  → Read more about its history as well as interesting facts on our dedicated page: About Basilica Cistern 

Do you need tickets for Basilica Cistern in Istanbul?

Basilica Cistern requires a paid ticket for entry. You can purchase it either on-site or online. Many travelers prefer online tickets because they help avoid long queues and offer more visiting options, including skip the line entry, night shift access or guided tours. You can also choose flexible combos or city pass options that bundle the cistern with other top landmarks. 

→ Explore skip the line tickets, night entry options, combos, and city passes for Basilica Cistern here.

→ See the most preferred combo tickets for Basilica Cistern here.

How much is the entry price for the Basilica Cistern in Istanbul for tourists?

Basilica Cistern ticket prices vary depending on the type of experience you choose. Standard entry, skip the line admission, guided tours, night shift visits, and combo tickets each have different rates, and prices may change seasonally. The most up-to-date costs along with current discounts and ticket options can be viewed on our dedicated Basilica Cistern Tickets & Tours page

On which days of the week is the Basilica Cistern open to visitors?

The Basilica Cistern is open to visitors seven days a week with the following schedule.

  • Regular Visiting Hours: 09:00 – 18:30
  • Night Shift Experience: 19:30 – 22:00

Please note that the Basilica Cistern is temporarily closed between 18:30 and 19:30 to prepare for the Night Shift sessions.

>> Check our opening hours page for additional visitor information and the best time to visit.

What is the best season to visit Basilica Cistern?

The best time to visit Basilica Cistern is usually spring and autumn, when Istanbul is pleasant for sightseeing and crowd levels are comfortable. Months like March to May and September to October offer mild weather, making the walk to Sultanahmet and nearby landmarks enjoyable. Since visitor numbers can increase during these periods, booking online skip the line tickets is recommended to avoid waiting at the entrance and secure your preferred experience.

→ To plan your timing more precisely, see: Basilica Cistern Opening Hours and Best Time to Visit.

Where is the Basilica Cistern located?

The Basilica Cistern is located in Sultanahmet, right in Istanbul’s Historic Peninsula, just a few steps from Hagia Sophia, the Blue Mosque and Sultanahmet Square. Its entrance sits on Yerebatan Street and is easy to reach on foot or by tram.

→ For walking routes, transport options, and a Basilica Cistern map, see our Getting There page.

How much time does it take to visit Basilica Cistern?

You can take in the architectural splendor of the Basilica Cistern within around 1 hour to 1.5 hours. You can stroll around the long colonnades, look at the Medusa Heads, and observe the Weeping Column.

Are you allowed to take photos inside the Basilica Cistern?

Yes, you are allowed to take photographs inside the Basilica Cistern, with the exception of the staircase area and with tripods and other professional photographic equipment, which may cause disturbance to other visitors.

What is the best way to get to the Basilica Cistern?

The easiest way to reach Basilica Cistern is by taking the T1 tram, as it is affordable, direct, and avoids Istanbul’s heavy traffic. The closest stops are Sultanahmet Station and Gülhane Station, each about a 7-minute walk from the entrance. You can also walk easily from Hagia Sophia and the Blue Mosque if you are already in the area.

→ For maps, route options, and walking guidance, visit our page: How to get to Basilica Cistern.

How many entrances are there at the Basilica Cistern?

Basilica Cistern has one main public entrance, located on Yerebatan Street in Sultanahmet near Hagia Sophia. All visitors enter and exit through the same access point, making it easy to find and navigate.

For directions, transport options, and a map of the entrance and surrounding landmarks, visit our dedicated page: How to get to Basilica Cistern 

Is the Basilica Cistern wheelchair accessible?

Wheelchairs are accessible at the Basilica Cistern, although getting there is difficult because there is only one lift. If there are two wheelchairs arriving at the same time, the process can take up to 30 minutes.

Are strollers allowed in the Basilica Cistern?

Yes, strollers are allowed in the Basilica Cistern.

Why are the Medusa sculptures upside down in Basilica Cistern?

One Medusa head is lying on its side at the base of a column, while the other is turned upside down; this, according to several myths, is meant to neutralise the creature's power. Myth has it that whoever Medusa looks upon becomes a stone statue. The builders may be looking for a way to avoid Medusa's curse.

What is the largest cistern in the world?

The Basilica Cistern in Istanbul is the largest cistern in the world. There are several hundred ancient cisterns that lie beneath the city of Istanbul, Turkey.

WhAT is the Basilica Cistern in Istanbul famous for?

Istanbul is home to numerous cisterns, among which the Basilica Cistern stands out for its notable architectural features, including expansive constructions, antique columns, and the presence of Medusa heads. 

Is there a dress code at Basilica Cistern?

There is no dress code while visiting the Basilica Cistern, although the cistern lies below ground, where it is chilly, wet, and humid. When visiting the cistern, it is advised to bring a light sweater. The steel pathway can be challenging, so wear your most comfortable, closed shoes when exploring this unique place.

Enjoy a mesmerizing visit to one of the largest ancient water cisterns in Istanbul with exclusive skip-the-line tickets and an audio guide in 5 languages. + more details

Hidden beneath the streets of Istanbul lies the ancient Basilica Cistern. Enjoy a guided tour of this "sunken palace". Upgrade to include a tour of Hagia Sophia & Blue Mosque! + more details

Basilica Cistern Night Shift Entry Ticket - Night Access (19:30-22:00)

Enjoy exclusive access to Istanbul’s Basilica Cistern after dark with the Night Shift Entry Ticket, valid only between 19:30 and 22:00. Skip the lines and explore the illuminated underground marvel with a multilingual audio guide. + more details

Most Preferred Combo Tours

See 3 of Istanbul's most famous landmarks with this combination tour. Skip the ticket lines at the Basilica Cistern and Hagia Sophia. Visit the Blue Mosque, explore the Cistern, and admire Hagia Sophia with an English-speaking guide. + more details

Explore Istanbul's iconic landmarks with a budget-friendly combo: skip-the-line entry to the Basilica Cistern and Hagia Sophia. Dive into history and save! + more details

Best Value Istanbul City Pass

Discover Istanbul with one digital pass, covering key sights like Hagia Sophia, the Basilica Cistern, a Bosphorus Cruise, and public transport. Choose Essential for highlights or Explorer for full access, including Topkapi Palace & Harem. + more details

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