Where is the main hub of the airline that sponsors a tournament at the Crete Golf Club
Crete Golf Club: The Crete Golf Club is one of Greece's few golf courses and possibly its most prestigious. Crete Golf Club:  It hosts such tournaments as the Aegean Airlines ProAM and the annual International Diaspora Tournament. Aegean Airlines: Aegean Airlines S.A. (Greek: Αεροπορία Αιγαίου Ανώνυμη Αεροπορική Εταιρεία , "Aeroporía Aigíou Anónime Etairía" ] ; ) is the largest Greek airline by total number of passengers carried, by number of destinations served and by fleet size. Aegean Airlines:  Its main hubs are Athens International Airport in Athens, Thessaloniki International Airport in Thessaloniki and Larnaca International Airport in Cyprus.
Athens International Airport