In brief, the best way to travel to Greece is by plane. The most popular international airports are located in Athens, Thessaloniki, Santorini, Mykonos and Heraklion. To move around, you can use domestic flights, a ferry, a bus, or a train.
Can you explore Greece without a car?
You can absolutely do Greece without a car, I did it first time this past summer. With 2 weeks a combination of a couple of islands and a couple of cities on the mainland would provide a good introduction to Greece at a reasonable pace. I went for 15 days and did Santorini, Naxos, Athens, Meteora, and Delphi.
Is Greece a safe tourist destination?
EXPERTS AGREE GREECE IS SAFEUnlike many countries in Europe, including some of Greece's neighbors, Greece is a level-one destination according to the State Department, meaning “exercise normal precautions.”