. "Av\u015Fa Island (Turkish: Av\u015Fa Adas\u0131) or T\u00FCrkeli is a Turkish island in the southern Sea of Marmara with an area of about 14 square miles (36 km2). It was the classical and Byzantine Aphousia (Greek: \u0391\u03C6\u03BF\u03C5\u03C3\u03AF\u03B1) or Ophiousa (\u039F\u03C6\u03B9\u03BF\u03CD\u03C3\u03B1) and was a place of exile during the Byzantine period.The island belongs to the Marmara District of Bal\u0131kesir Province in northwestern Turkey. It is a popular domestic tourist destination, especially for tourists from Istanbul."@en . .