Cistern of Aetius

The Cistern of Aetius (Greek: ἡ Κινστέρνη τοῦ Ἀετίου) was an important Byzantine water reservoir in the city of Constantinople. Once one of the largest Byzantine cisterns, it is now a football stadium in Istanbul. Since 1928 it has been known as Karagümrük stadyumu, 'Karagümrük stadium' or Vefa stadyumu, 'Vefa stadium', while in the Ottoman period it was known as the Turkish: Çukurbostan, lit. 'sunken garden'.