EntityQ3150393· pop 19· linked from 95 articlesTheodosius CisternSign in to savecistern in Istanbul, TurkeyConnectionsAqueduct of ValensEntityCistern of PhiloxenosEntityTurkeyCountryIstanbulCityGreekEntityTurkishEntityOttoman EmpireConceptgeographic coordinate systemEntityInternational Standard Book NumberEntityHagia SophiaEntityConstantinopleEntityCNNEntitydomeEntitydigital object identifierEntitySultan Ahmed MosqueEntityTopkapı PalaceEntityTheodosius IIEntitySüleymaniye MosqueEntitybibcodeEntitycapitalEntityCategories443 establishments5th-century establishments in the Byzantine Empire5th-century introductionsBuildings and structures completed in the 5th centuryByzantine secular architectureCisterns in IstanbulFatihRoman cisternsTheodosius IITourist attractions in Istanbul