Answers
On
Dimitris Foutsis answered:
As a spouse of an EU citizen, you are eligible for a 5-year residency. If your visa expires, you can ask for an expansion for another 90 days after proving you have 4,500 euros for your living expenses in Greece.
On
Mary Tsiganou answered:
Based on some certain conditions, yes, you can, and if your stay is continuous and legal, you have to address a legal consultancy firm regarding the process for a residence permit issuance under the Greek legislation.