Fenerbahçe Ülker Sports and Event Hall is a multi-purpose indoor arena that is located in Ataşehir, Istanbul, Turkey. The arena is owned and operated by Fenerbahçe S.K. The arena has a capacity of 15,000 people for concerts and 13,059 for basketball games, and it has hosted national and international sports events, such as basketball, volleyball, wrestling, and weightlifting; as well as concerts and congresses.

Ataşehir is a municipality and district of Istanbul Province, Turkey. Its area is 25 km2, and its population is 423,127 (2022). It is located at the junction of the O-2 and O-4 motorways on the Anatolian (Asian) side of Istanbul. Its neighbours are the districts of Ümraniye to the north, Sancaktepe to the northeast, Maltepe to the east, Kadıköy to the south and Üsküdar to the west.