O2 World is a multi-use indoor arena in Berlin, Germany that opened in September 2008. Developed by Anschutz Entertainment Group, it was named O2 World when Telefonica O2 Germany purchased the naming rights. With a capacity of 17,000 people, it is home to the Eisbären Berlin ice hockey club and the ALBA Berlin basketball team, and is used for other ice hockey, basketball and team handball matches as well as concerts. The surrounding area will be filled with various entertainment venues including a cinema, a casino, a hotel and various bars and restaurants.