1, Athens airport has 1 hour free WiFi.
2. Most hotels have free WiFi (you can check whether there is WiFi when booking, whether it is charged or free).
3. Go out for dinner. Generally, restaurants also have WiFi. Just ask the waiter.
4. If you go out to sea by boat, it seems that there are fewer people with WiFi on board, and generally there is a charge. "
I am an overseas Chinese in Greece. We help each other, and overseas Chinese help overseas Chinese. We are all from China.