O2 World Hamburg is primarily used for handball and ice hockey, and is the home of HSV Hamburg and the Hamburg Freezers. The maximum capacity of the Hall is 16,000 visitors at sporting events by eliminating the Interior places 12.947. It is among the most modern arenas in Europe.
The arena opened in November 2002, is 150 meters long and 110 metres wide and has an elevation of 33 metres. Construction costs totaled approximately 83 million Euro (ca. US$121.5mn). The construction of the stadium was funded by the Finnish entrepreneur Harry Harkimo and the city of Hamburg, who sold Harkimo the land for a symbolic price of one Deutschmarks and also financed infrastructure improvements with 12 million Deutschmarks (about 6.1 million euros) as a preparatory measure. In October 2007 the arena was sold to Anschutz Entertainment Group for an estimated 75 million euros . O2 sponsorship will cease in 2015. The arena's name will change into Barclaycard Arena, effective July 1st, 2015.