Karaiskakis Stadium is a multi-purpose stadium located in Piraeus, Greece. It primarily serves as the home ground for the Olympiacos F.C., one of the country's most successful football clubs. The stadium has a seating capacity of approximately 32,000 spectators and features modern facilities for both players and fans. Originally opened in 1931, the stadium has undergone several renovations, with the most significant one completed in 2004 for the Athens Olympics. It has hosted numerous important matches, including games in the UEFA Champions League and international fixtures, making it a key venue in Greek sports history.