Updated - 05/08/2020
If anyone is thinking about coming to Greece this summer, they should consult the following news sources with information about quarantine measures, services,gradual openings, etc.
Note especially the information from the Athens airport for what you can expect upon arrival.
The Athens airport COVID-19 FAQ is at: https://www.aia.gr/traveler/travellers-info/faq-for-covid19/
For visitors who return from countries where there is a local transmition of COVID-19, please read HERE.
Official government information and resources on the coronavirus can be found (mostly in Greek) at https://eody.gov.gr/neos-koronaios-covid-19/and https://covid19.gov.gr/.
For updates on life in Greece, the pandemic situation, general news, and more, a few resources in English include: