The Zydretae () (Zudrêtai or Zudreitai) were an ancient people of Colchis recorded by the Classical accounts as dwelling on the coast of the Pontus Euxinus (Black Sea), on the southern side of the Apsarus river (modern-day Çoruh/Chorokhi in the borderlands of Turkey and Georgia), and between the Machelonoi and the Lazi tribes. The early 2nd century Roman author Arrian lists several neighboring and probably ethnically related tribes on a west to east orientation: the Sannoi (Sanigs), Drilae, Machelonoi, Heniochoi, Zudreitai, and Lazoi (Perip.
The Zydretae () (Zudrêtai or Zudreitai) were an ancient people of Colchis documented by classical sources as inhabiting the coast of Pontus Euxinus (Black Sea), on the southern bank of the Apsarus river (modern-day Çoruh/Chorokhi in the borderlands of Turkey and Georgia), and between the Machelonoi and Lazi tribes.