ZAG-Arena (formerly Preussag Arena and TUI Arena) is an arena in Hanover, Germany. The arena opened in 2000 and holds 10,767, during hockey or handball matches and up to 14,000, during concerts. It is the biggest indoor-venue in the Hanover Region and most major concerts are held there. The arena is situated at the Expo Plaza in the Expo 2000 grounds, in the south of Hanover, astride the Kronsberg and Mittelfeld areas.