Currently, it can seat up to 14,950 with lower additional tiers of seats added to it. 12,000 (11,640 permanent seats, and 360 temporary seats) is the current capacity of the arena for Olympiacos home games. SEF hosted the indoor volleyball tournament of the 2004 Summer Olympics, and it was also the host venue of the EuroBasket 1987, and the 1998 FIBA World Championship. The arena was renovated for the 2004 Summer Olympics.