Modern Sultanahmet Square occupies part of the site where the Hippodrome of Constantinople once stood.
For centuries, this enormous arena was one of the centers of public life in Byzantine Constantinople.
Today, most of its grandstands and structures have disappeared, yet several ancient monuments still reveal the history beneath the modern square.
What Was the Hippodrome?
The Hippodrome was an arena used primarily for chariot racing and public ceremonies.
An earlier stadium existed during the Roman period, but the site was greatly expanded after Constantine I established Constantinople as his imperial capital in the 4th century.
Tens of thousands of spectators could gather here for races, celebrations and political events.
Chariot Racing and Politics
Chariot racing was serious business in Byzantine Constantinople.
Supporters were associated with competing factions, particularly the Blues and Greens.
These groups could also become involved in political unrest.
The most famous example was the Nika Revolt of 532, which began around the Hippodrome and developed into one of the most serious uprisings of Emperor Justinian I’s reign.
Obelisk of Theodosius
The most striking surviving monument is the Egyptian Obelisk of Theodosius.
Created in ancient Egypt centuries before Constantinople existed, it was transported to the city and erected in the Hippodrome during the reign of Theodosius I.
Its marble base includes reliefs associated with the imperial court and Hippodrome ceremonies.
Serpent Column
Nearby stands the surviving lower section of the Serpent Column.
The monument originally came from Delphi and commemorated the Greek victory over the Persian army at Plataea in 479 BC.
Its presence illustrates how Constantinople’s emperors collected prestigious monuments from across the ancient world to decorate their capital.
Walled Obelisk
At the southern end of the square stands the Walled Obelisk, another surviving feature of the Hippodrome’s central axis.
Together, these monuments allow visitors to reconstruct at least part of the layout of the ancient arena.
Exploring Sultanahmet
The former Hippodrome sits directly beside the Blue Mosque and only a short walk from Hagia Sophia, Basilica Cistern and Topkapi Palace.
Understanding the Hippodrome makes Sultanahmet much easier to read: today’s open square was once one of the most politically charged spaces in Byzantine Constantinople.

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