Kos or Cos (Greek: Κως) is a Greek island of the group of the Dodecanese, next to the Gulf of Gökova/Cos. The island measures 40 by 8 kilometres (25 by 5 miles), and is 4 km (2 miles) from the coast of Bodrum, Turkey, and the ancient region of Caria.
Area: Municipality: 287.2 km2 (110.9 sq mi)

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References: http://www.kosinfo.gr/