Alexandreion Melathron, Nick Galis Hall is an indoor sports arena that is located in Thessaloniki, Greece. It is also often referred to as Palais des Sports.
The arena is mainly used to host basketball and volleyball games. The arena's main hall, called Nick Galis Hall, has a permanent seating capacity of 5,138, and a capacity of 6,000 with temporary seating, for basketball games. The arena also contains a practice court, club offices, shops, and a museum dedicated to the Aris basketball club. The arena hosts the home games of Aris Thessaloniki B.C., a member of the Greek League.
Wikipedia https://en.wikipedia.org/wiki/Alexandreio_Melathron_(Nick_Galis_Hall)
Coordinates 40°37'36.744" N 22°57'26.413" E