Greece has a well-developed internet infrastructure. Free Wi-Fi hotspots are available at most airports and in city centers of major cities, such as Athens, Thessaloniki, and Crete.
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Hydra. Hydra is a popular destination for island day trips from Athens. Access to the island is easy with daily ferry routes from the port of Piraeus and regular routes from the ports of eastern Peloponnese. Hydra is a vehicle-free island, so there are no roads, no cars and no motorbikes!