The Odeon of Herodes Atticus is a well-preserved ancient theater located on the southwest slope of the Acropolis in Athens, Greece. Built in 161 AD by the wealthy Roman senator Herodes Atticus in memory of his wife, it was originally used for music concerts and theatrical performances. The structure features a stone seating area that can accommodate around 5,000 spectators. Today, the Odeon serves as a venue for various cultural events, including the Athens Festival. Its impressive architecture, with a grand stage and excellent acoustics, makes it a popular site for both tourists and performers. The theater remains a significant symbol of ancient Greek culture and heritage.