You need an embassy visa for Greece if you have a Turkish passport
Visa options for Greece (2)
Visa on arrival for a maximum of 7 days
Travelers need a visa to visit Greece for Tourism for a maximum stay of 7 days. Travelers can get a visa on arrival in Greece at the port of entry of the following Greek Islands: -Chios, Kos, Lesvos, Rhodes, Samos, Leros, Lemnos, Kalymnos, Kastellorizo, and Symi.
This is not offered by sherpa°.
Apply on the government site.
Visitor visa
Travelers need a visa to visit Greece for Business or Tourism. A paper or embassy visa is the only visa available for travelers visiting Greece. The visa is typically a stamp or sticker added to the passport. Travelers must obtain this visa from a local embassy, consulate or visa center before traveling.
This is not offered by sherpa°.
Apply on the government site.