According to greekcitytimes.com, these are the requirements for traveling to Greece
Display a negative molecular test (PCR) for COVID-19, taken up to 72 hours before the scheduled flight.
Present an official vaccination certificate in English, French, German, Italian, Spanish, or Russian, proving that travelers have completed their vaccination for Covid-19 at least 14 days before the scheduled flight. The vaccination certificate must include the name of the person, the type of vaccine given, the number of doses & inoculation dates.
Present proof of recovery from Covid-19, valid as of 2 months after positive test result (PCR or Rapid Antigen test) up to nine (9) months before travel.
Upon arrival, all passengers will be subject to random obligatory Covid-19 tests.
One of my favorite memories of traveling to Greece is visiting the outdoor movie theaters. It’s such a unique thing to do, I haven’t seen it much in other countries. It should actually become more popular because it’s so covid safe!