Athens

Here's an ideal itinerary for 3 days in Athens that includes historical sites, beaches, and delicious food:

Day 1:

• Start your day with a visit to the Acropolis, the most famous historical site in Athens. You can explore the Parthenon, the Temple of Athena Nike, and the Erechtheion.
• After the Acropolis, head to the Ancient Agora, which was the center of political and social activity in ancient Athens. Here, you can see the Temple of Hephaestus, the Stoa of Attalos, and the Agora Museum.
• For lunch, head to Psiri, a trendy neighborhood with plenty of restaurants and cafes. Try some traditional Greek dishes like moussaka, souvlaki, or spanakopita.
• In the afternoon, head to the beach! Glyfada Beach is a popular spot with plenty of cafes and restaurants nearby. You can also rent sun loungers and umbrellas if you want to relax.
• For dinner, head to the Plaka neighborhood, which is known for its traditional tavernas. Try some grilled octopus, Greek salad, and tzatziki.

Day 2:

• Start your day with a visit to the National Archaeological Museum, which has the largest collection of ancient Greek artifacts in the world. You can see everything from pottery to sculptures to jewelry.
• After the museum, head to the Monastiraki Flea Market, where you can find all sorts of souvenirs, antiques, and vintage clothing. It's a great place to wander and explore.
• For lunch, head to the trendy neighborhood of Koukaki, which has plenty of hip cafes and restaurants. Try some modern Greek cuisine like grilled fish or stuffed peppers.
• In the afternoon, head to the beach again! Vouliagmeni Beach is a beautiful spot with crystal-clear water and plenty of amenities like sun loungers and umbrellas.
• For dinner, head to the neighborhood of Exarchia, which is known for its alternative vibe and street art. Try some meze dishes like fava, dolmades, and grilled halloumi.

Day 3:

• Start your day with a visit to the Temple of Olympian Zeus, which is one of the largest ancient temples in Greece. You can also see the Arch of Hadrian nearby.
• After the temple, head to the Benaki Museum, which has a collection of Greek art and artifacts from prehistoric times to the modern era.
• For lunch, head to the neighborhood of Kolonaki, which is known for its upscale restaurants and cafes. Try some gourmet Greek dishes like grilled lamb chops or seafood risotto.
• In the afternoon, head to the beach one last time! Varkiza Beach is a beautiful spot with plenty of water sports and activities.
• For dinner, head to the neighborhood of Gazi, which is known for its nightlife and trendy restaurants. Try some fusion cuisine like sushi with Greek ingredients or grilled octopus with Asian spices.

I hope this itinerary gives you a good idea of what to do in Athens! Let me know if you have any other questions or if there's anything else I can help you with.