Damalis
Damalis was a coastal town of ancient Bithynia located on the Bosphorus near Chrysopolis. Polybius calls the town Bus or Bous. According to Greek mythology, Io landed when she crossed the strait. The name Damalis means 'heifer', and Arrian, quoted by Eustathius, has a story about it.
Its site is located at Kızkule in Asiatic Turkey.