17 places · narrow by district and visit style
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A vast, atmospheric 6th-century underground cistern built by Emperor Justinian. Walk on raised platforms above shallow water, surrounded by a forest of columns.
Hagia Sophia is a monumental building that has served as a church, mosque, and museum. Its massive dome and layered history make it a central landmark in Istanbul.
A crumbling Byzantine palace facade right on the Marmara shore, south of the Hippodrome. You can walk right up to its seaward marble balcony and lion reliefs.
Erected in 328 AD to mark the founding of Constantinople, this is the oldest surviving monument from Constantine the Great's era.
A neo-Byzantine fountain gifted by Kaiser Wilhelm II, now a landmark on the Hippodrome in Sultanahmet.
This long, open square was the heart of Byzantine Constantinople's public life. Today, you can see the Egyptian Obelisk, Serpent Column, and Walled Obelisk marking its ancient spine.
Founded by Mehmed II in 1453, just after the conquest, this public research university’s historic campus sits steps from the Grand Bazaar. Its gate and courtyard remain open to visitors.
A Byzantine church converted to a mosque, famous for its intricate Late Byzantine mosaics and frescos. It's in the Edirnekapı neighborhood.
A former Byzantine church turned mosque, with a small museum chapel holding some of Istanbul's finest surviving mosaics after Hagia Sophia and Chora.
The oldest surviving Greek Orthodox school in Istanbul, with a striking red-brick facade towering over the Golden Horn. Note: exterior views only—it's a working school.
These are the massive stone walls that protected Constantinople for centuries. You can walk along sections of them, especially around the Edirnekapı and Topkapı areas, to get a sense of the city's ancient scale.
This Roman aqueduct from the 4th century supplied water to Constantinople for over a thousand years. It cuts right through the modern city, so you can walk right up to it.
The second largest underground cistern in Istanbul, with double-tiered columns and a quieter atmosphere than its famous neighbour.
A 15th-century Ottoman bathhouse in Sirkeci, now hosting whirling dervish ceremonies in an intimate circular space.
A 5th-century Byzantine cistern with 32 marble columns, now featuring 360° projection shows. A quieter break from the Basilica Cistern crowds.
Journal
Zero in on the right base with this practical, on-the-ground guide to Sultanahmet, Beyoğlu, Karaköy, Kadıköy and Beşiktaş. No hotel lists, just honest neighborhood vibes and smart tips for mobile travelers.
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