Effective as of the 2012–13 season, Euroleague clubs with an "A License" must host their home matches in arenas that have a seating capacity of at least 10,000 people. In 2008, Euroleague Basketball (Company) decided to increase the arena seating requirement to 10,000 within four years time in order to force clubs to move into and/or build bigger arenas. This was done in hopes of increasing revenues through more ticket sales. Non "A License" Euroleague clubs must play in arenas that seat at least 5,000 people.
Read more about this topic: Euroleague Basketball