1) Island of the Sea of Marmara 
Avşa Island (Avşa Adası) or Türkeli is a Turkish island in the southern Sea of Marmara. It was the classical and Byzantine Aphousia (Αφουσία{dubious|Greek needs double-checking and sourcing|date=September 2011}) or Ophiousa (Οφιούσα) and was a place of exile during the Byzantine period. The island belongs to the Marmara District ...