Built by Emperor Justinian I in 532 to supply water to Great Palace. Replaced earlier cistern damaged by fire. Water transported through Bozdoan Arch from Belgrade Forest. Contains water purification system in each dome
Built by Emperor Justinian I in 6th century as main city water reservoir. Originally called "Yerebatan Sarnıcı" for underground water supply. Discovered by Dutch traveler Petrus Gyyllius in 1545. Used for Imperial Palace and neighborhood residences until 1453
Basilica Cistern is Istanbul's largest cistern, measuring 108m x 65m. Located in Sultanahmet, accessible via Funicular F1 and Tram T1. Open daily from 09:00 to 18:30, with night shift from 19:30 to 23:50. Regular entrance fee is 900 TL, night shift ticket is 1400 TL
Built by Emperor Justinian I (527-565) as underground water storage system. Named "Yerebatan Sarayı" due to numerous marble columns rising from water. Largest covered cistern in Istanbul with 80,000-ton water storage capacity