Cius-Kios (Greek: Kίος, or Kείος, also transliterated as Kios and Keios, and later Prusa, Prusias and Prusias ad Mare) was an ancient Greek city bordering the Propontis (now known as the Sea of Marmara), in Bithynia, and had as such a long history, being mentioned by Homer, Aristoteles and Strabo. It was colonized by the Milesians and became a place of much commercial importance. It joined the Aetolian League, and was destroyed by Philip III of Ma… (More on Cius)