The Sinan Erdem Dome, also known as Sinan Erdem Spor Salonu, is an impressive multi-purpose indoor arena located in the European part of Istanbul, in the Bakırköy district, Turkey. It is one of the city's key sports and entertainment venues, regularly hosting major international competitions and concerts by global stars, attracting both locals and numerous tourists.

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Formerly known as the Ataköy Dome, the arena is one of the largest complexes of its kind in the country. It can accommodate up to 22,500 spectators for concerts and about 16,000 fans for sporting events such as basketball or volleyball. This significant capacity and modern equipment make the Sinan Erdem Dome an ideal venue for the most large-scale and spectacular events.
The arena was officially opened in 2010 and was named after Sinan Erdem, who was a significant figure in the history of Turkish sports. Since its opening, the Sinan Erdem Dome has become more than just a sports facility; it is a true hub of attraction where vibrant events take place, leaving unforgettable impressions on visitors and strengthening Istanbul's reputation as an important cultural and sporting center of international standing.