I did it last year, it was beautiful!!!
Places to see:
- National Garden
- There's a real good restaurant in the Nautical Club of Vouliagmeni that I ate at
- Plaka Market. There's also a place around the Plaka market - Elaia that I ate at too, really good food.
- Panathenaic Stadium
- Hotel Byron - Have lunch or dinner on the top floor, can see the Acropolis from there.
- The Acropolis
- Byzantine and Christian Museum
- Acropolis Museum
- Ancient Agoras of Athens
- Boat trip for the day to Santorini
I don't know the name of the restaurant in English, but we ate here and it had a real nice view of the sea front:
https://www.google.ca/maps/place/%CE...2!4d24.0119954
Let me know what placed you check out.