Uber Arena (previously branded as O2 World and Mercedes-Benz Arena) is a multipurpose indoor arena in the Friedrichshain neighborhood of Berlin, Germany, which opened in 2008. The venue became known as Uber Arena following a long-term deal with venue operators AEG Europe in 2024. With a maximum capacity of 17,000 people (for concerts or MMA), it is home to the Eisbären Berlin ice hockey club and the Alba Berlin basketball team, and is used for other athletic and civic events, as well as concerts.