Cistern of Aetius, Ancient Roman cistern in Fatih district, Istanbul, Turkey.
The rectangular structure measures 244 meters in length and 85 meters in width, with walls built using alternating layers of brick and stone.
Built in 421 CE under Emperor Theodosius II, the cistern served as a critical water reservoir for the growing population of Constantinople.
The structure demonstrates the engineering capabilities of Byzantine builders who created water storage solutions to support urban development in Constantinople.
Located 300 meters southeast of the Gate of Edirne along Fevzi Paşa Caddesi, the site now functions as the Karagümrük stadium for local sports.
The walls of this water reservoir reach depths between 13 and 15 meters and could store over 300,000 cubic meters of water during its operational period.
Location: Istanbul
Inception: 5 century
Architectural style: Byzantine architecture
GPS coordinates: 41.02780,28.93920
Latest update: September 23, 2025 14:06
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