The Athens Olympic Stadium, also known as the OAKA Stadium, is a multi-purpose sports venue located in Athens, Greece. It was originally built for the 1896 Summer Olympics and underwent significant renovations for the 2004 Summer Olympics. The stadium has a seating capacity of approximately 69,000 and features a distinctive design by architect Santiago Calatrava. In addition to hosting Olympic events, the stadium is used for various sports, concerts, and cultural events. It is home to the A.E.K. Athens F.C., a prominent football club. The stadium's modern facilities and iconic architecture make it a landmark in Athens.