Pantichium or Pantichion (Greek, Ancient (to 1453);: Παντίχιον), also Panteichium or Panteichion (Παντείχιον), was a coastal town of ancient Bithynia located on the road from Libyssa to Chalcedon, southeast of the latter, on the north coast of the Propontis.[1]
Its site is located at Pendik in Asiatic Turkey.