Kios (Turkish Gemlik) is a city in Asia Minor, on the Sea of Marmara). It has a long history, being mentioned by Homer, Aristoteles and Strabo. Legend has it that the city was founded by Jason and the Argonauts on their way to retrieve the golden fleece from Colchis.
An important chain in the ancient silk road, it became known as a wealthy city. Kios had a population of over 20,000 (mostly Greeks) in 1922. After the Asia Minor disaster, its refugees founded the town of Nea Kios in the Argolis prefecture in Greece.