With a maximum of 22 participants, the combo tours remain personal and engaging. Follow along effortlessly thanks to complimentary earphones for groups over 8. To ensure a comfortable experience, guides may adjust the order of the sites visited. Acropolis Museum To avoid peak crowds, arrive when the museum opens at 9am, or go in the late afternoon, around 2pm to 3pm, particularly during the summer months from June to August. All visitors must pass through a quick security screening at the entrance. Expect to wait around 5 to 10 minutes at the entrance, although during the peak summer months from June to August, the wait may extend up to 15 minutes. You can enter the Acropolis Museum through a separate entrance that leads directly to the exhibition areas, then proceed to scan your ticket at the validating machines located on the ground floor. The Acropolis Museum offers free admission on March 6 (Melina Mercouri Day), March 25 (National Holiday), May 18 (International Museums Day), and October 28 (National Holiday). Acropolis The Acropolis and Parthenon operate on a timed entry system, requiring visitors to book a date and time slot in advance. Arrive 30 minutes early for a hassle-free experience—you can enter up to 15 minutes before or after your chosen time slot. Security check is mandatory at the Acropolis. Expect an average wait of 20 to 30 minutes, with entry times stretching to 1 to 2 hours during the peak summer months from June to August. Use the south entrance near the Dionysus Theater for quicker access; it tends to be less crowded than the main one and is only a short walk from the metro and museum. Proceed straight to the Parthenon at the start of your visit, then make your way to the Temple of Athena Nike, Erechtheion, and other areas; this approach helps you avoid bottlenecks and enjoy quieter spaces later on. You can visit the Acropolis archaeological site for free on March 6 (Melina Mercouri Day), April 18 (International Monuments Day), May 18 (International Museums Day), the last weekend of September (European Heritage Days), October 28 (National Holiday), and on the first and third Sundays from November through March.