Visit the Acropolis and see the famous ancient ruins of the Parthenon. We strongly recommend going early in the morning or later in the day and following it with a trip to the Acropolis museum. You can pre-book your tickets for a timed slot.
Monastiraki is a lively flea market area with lots of tavernas and restaurants!
Plaka is a quaint neighborhood of Athens. Get lost in the cobblestone streets while taking in the views. Plaka is one of the oldest neighborhoods in Athens. It's full of beautiful restaurants, taverns and shops for any souvenir!
Consider visiting the various nearby islands, which are just a ferry away. You can book individual tickets or find an all-inclusive cruise. Nearby islands to consider are: Hydra, Poros, and Aegina.
Piraeus port is a great option to enjoy a seafood meal, and it's a great launching point for ferries to some of the famous Greek islands such as Santorini, Naxos, Paros, Milos and many others.