Greece is not one trip but several, loosely connected by Athens and the ferry network. The Cyclades islands, Santorini and Mykonos among them, sit in the Aegean and connect to each other and to Piraeus by dated seasonal ferry routes. Crete and Rhodes are larger islands with their own internal distances. The Ionian islands, Corfu chief among them, face Italy across a different sea and rarely connect directly to the Cyclades at all. The Peloponnese and central mainland, home to Nafplio, Delphi and Meteora, are reached by road rather than water. A map that shows Greece as one compact country hides just how differently each of these regions actually behaves.
For a first trip, resist the urge to see five islands in ten days. Athens earns two nights on its own: the Acropolis and its museum need a real morning, and the ancient Agora, Plaka and a rooftop dinner facing the illuminated rock deserve an evening that is not a rushed layover. Book the timed Acropolis ticket directly through hhticket.gr, the Hellenic Ministry of Culture's own platform, rather than a resale site charging a markup for the same time slot.
Santorini and Mykonos anchor most first-time island itineraries, and both deserve at least three nights rather than a one-night stopover squeezed between flights. Santorini's real subject is the caldera itself, the collapsed volcanic crater that gives Oia and Fira their cliff-edge views; the sunset crowd in Oia is famous for a reason, but arriving at sunrise instead shows the same view to almost nobody. Mykonos trades the caldera for beach clubs and windmill-lined waterfronts, and its airport takes direct flights from several European capitals, not only Athens.
Crete is genuinely large, closer to a small country than a single island stop. Chania, on the west end, gives a Venetian harbour town, a covered market and access to the Samaria Gorge, one of Europe's longest canyons; Heraklion, with the Palace of Knossos, sits far enough east that combining both in one short stay means constant driving rather than time actually spent anywhere. Pick one end of Crete per visit and treat the other as a separate future trip.
Rhodes and Corfu each carry real medieval weight rather than being purely beach islands. Rhodes' Old Town, a UNESCO World Heritage Site since 1988, is often described as the oldest continuously inhabited medieval town in Europe, still home to more than six thousand residents inside walls built by the Knights of St John; Lindos, about 50 minutes' drive south, adds a hilltop acropolis directly above the sea. Corfu's old town mixes Venetian, French and British influences into one UNESCO-listed centre, with the Achilleion Palace and the turquoise cove at Paleokastritsa both a short drive from town.
The Peloponnese and central mainland reward a rental car more than any island does. Nafplio, once called the Naples of the East by the Venetians who fortified it, makes a genuinely romantic base within reach of the ancient theatre at Epidaurus and the Lion Gate at Mycenae. Meteora, further north near Kalambaka and Kastraki, has six working Orthodox monasteries built directly onto sandstone pillars; each charges a small cash entry fee and enforces a real dress code, so plan the wardrobe as carefully as the drive.
Thessaloniki, Greece's second city, deserves consideration even on a first trip if food and a less tourist-saturated pace matter more than another beach. Voted Greece's first UNESCO City of Gastronomy, its Modiano and Kapani markets and Byzantine monuments including the Rotunda and the Arch of Galerius give a genuinely different Greek city experience than Athens, without the crowds pressing around the Acropolis.
Getting between all of this depends on matching the transport to the actual geography rather than assuming Greece connects the way its map suggests. Blue Star Ferries and partner operators publish seasonal, dated schedules from Piraeus to the Cyclades, Crete and the Dodecanese; a route that runs daily in August can run twice a week in April. Domestic flights on Aegean Airlines or Sky Express often beat a long ferry connection for a tight schedule, typically €40 to €150 one-way to the main islands depending on how far ahead you book. Treat every inter-island hop as a checked, dated booking, never an assumption.