I was on the bus tour with my sister and niece. All 3 of us had an incredible experience. Very unforgettable. We were blessed with Kassandra as our guide, who was such a delight. She is very knowledgeable about Hellenic history, and is a fun spirit with a good sense of humor. We learned a lot, saw a lot, and were sad to say goodbye to all that were involved: Kassandra, The Bus Driver, and the rest of the tour passengers. We stayed overnight in Olympia, Delphi, and Kalambaka. All 3 hotels were high quality with excellent food. I really appreciated the organization of the tour, and appreciated that Kassandra led us around at each historical site, but allowed time for us to explore on our own as well. It was a nice balance. There was enough time each night to go out and explore the town you were in, so you could shop and get a taste of the night life if desired. The long drives in between stops were relaxing. The bus is comfortable with air conditioning and WiFi. The Bus Driver is very skilled at his job and drives very safely up, down, and around the mountains... and through the narrow streets.
I highly recommend booking a tour with Hop in Sightseeing. I will use this company in future trips to Greece. I'd like to try the Northern Greece 5 Day Tour next year!