The OAKA Indoor Arena is a multi-purpose sports venue located in Athens, Greece. Opened in 1995, it has a seating capacity of approximately 18,000 and is primarily used for basketball, hosting events like the EuroLeague and the Greek Basket League. The arena is part of the larger OAKA Sports Complex, which was built for the 2004 Athens Olympics. In addition to basketball, the OAKA Indoor Arena is also used for concerts and other entertainment events. It features modern facilities and has hosted numerous international competitions, making it a key location for sports and cultural activities in Greece.