Trabzonspor B.K. Trabzonspor B.K. Trabzonspor Basketbol Kulübü (), also known as Trabzonspor Basket or Trabzonspor, is a professional basketball club that is based in the city of Trabzon, Turkey. It is a department of the multi-sport club of Trabzonspor. Their home arena is the Hayri Gür Arena, which has a capacity of 7,500 seats, and was opened in 2011. Trabzonspor's football club was founded in 1967, and it opened its basketball section in 2008. After Alpella's relegation in the 2007–08 season, Trabzonspor's board purchased all of the rights related to the team from the Ülker Group, and took their place in the
Çarşı (supporter group) supporters who are regarded as anti-racist, anti-fascist, anti-sexist, pluralist and ecologist. In May 2008, Çarşı disbanded itself unexpectedly. However, in the 2013 Turkish protests, Çarşı was a central mobilizing force for anti-Erdogan protests. In Turkey; Beşiktaş, Fenerbahçe and Galatasaray are accepted as the biggest three clubs (Trabzonspor is the fourth occasionally), as they are the most successful ones in Turkish football history, and have the highest number of supporters. There are also numerous supporter groups of many teams, i.e. ultrAslan for Galatasaray, Genç FB for Fenerbahçe, Group Yalı for Göztepe A.Ş. etc. The groups' names are related to a team’s