Iconic hilltop complex (Parthenon, Erechtheion) — must-see for first-time visitors; open generally 8:00am–8:00pm in summer, so mornings are cooler and less crowded.
Classic Athenian ritual in front of the Hellenic Parliament; the full ceremonial change is at 11:00am daily and shorter hourly routines occur — evenings are scenic for photos.
Largest archaeological museum in Greece with Bronze Age and classical collections; typically open 8:00am–8:00pm in summer but check seasonal hours before visiting.
Marketplace of ancient Athens set below the Acropolis; quieter in the afternoon and great for imagining city life in antiquity, open roughly 8:00am–8:00pm.
One of ancient Greece’s most sacred sites (Temple of Apollo, the theatre, and the stadium); usually open 8:00am–8:00pm in summer — dramatic mountain setting.
Two of the largest monasteries perched on sandstone pillars with spectacular vistas; most monasteries open roughly 9:00am–5:00pm — modest dress required and check specific monastery closures on weekdays.
Light breakfast in town and prepare for travel back to Athens to catch a late afternoon/evening flight to Santorini; allow 5–6 hours for road/train transfer to Athens.
Domestic flight Athensto Santorini is about 45 minutes; book an early evening flight to arrive at a relaxed hour on the island (check schedules seasonally).
Stunning 2.5–3 hour coastal walk with panoramic views of the caldera, villages and sea — take water, sun protection and stop for photos and coffee en route.
Fresh seafood right on the water at the small Ammoudi Bay — walk down the steps from Oia for a memorable meal (open generally midday to late afternoon).
Popular half-day excursion visiting the volcanic islets, short hike on Nea Kameni and swim in hot springs; tours commonly run 9:30am–1:00pm and cost around EUR30–60 depending on inclusions.
Combine lunch with a wine-tasting session featuring indigenous Assyrtiko and other Cycladic varieties; most wineries open noon–6pm but check reservations for tastings.