Didymateiche (Ancient Greek: Δίδυμα τείχη),[1] or Didymon Teichos (Ancient Greek: Δίδυμον Τεῖχος, 'twin walled'), was a town of ancient Mysia.[2] It belonged to the Delian League since it appears in tribute records of Athens between the years 454/3 and 418/7 BCE.[3] Polybius writes that it was among the places that were conquered by Attalus I, after the city of Carseae.[1]
Its site is located north of Biga / Çanakkale, Turkey, Asiatic Turkey.[2][4]