This program with a single-entry visa, allows a short-term stay (1-7 days) without requiring them to get a Schengen visa.
Through the Visa-on-Arrival program, Turkish Nationals can enter the ten Greek islands listed under without applying for a Schengen visa:
Samos, Lesbos, Leros, Kos, Rhodes, Kalymnos, Chios, Symi, Limnos & Kastellorizo
Until August 2024, more than 35,000 Turkish travelers visited Greece under this Program.