Another muli-purpose indoor arena in İstanbul will be opened today.

Fenerbahçe Ülker Sports Arena, is a multi-purpose indoor arena located in Ataşehir, Istanbul and opening in 25 January 2012 with EA7 Emporio Armani match in the EuroLeague 2012 Top 16.^[5] It is owned and will be operated by Fenerbahçe S.K.  

The arena with an audience capacity of 13,800-seats, hosts beside national and international sports events such as basketball, volleyball, wrestling and weightlifting, concerts and congresses even has two olympic pools for Fenerbahçe SK swimming branch, five star otel, shopping centers, fast-food cafeterias, restaurants and cinemas. The arena covers an area of approximately 55,000 m² (590,000 sq ft) and is one of major arenas of the city.

The Fenerbahçe SK´s basketball teams (Fenerbahçe Ülker and Fenerbahçe Women´s Basketball), volleyball teams (Fenerbahçe Men´s Volleyball and Fenerbahçe Women´s Volleyball) will play their league matches and Fenerbahçe SK´s ameteur branches such as Fenerbahçe Table Tennis, Fenerbahçe Boxing, Fenerbahçe Athletics, Fenerbahçe Swimming also will use the venue.

Source: here