The Citizens Business Bank Arena, originally known as the Ontario Community Events Center, is a 11,000-seat multi-purpose arena in Ontario, California, USA, that is currently under construction on turn 3 of the old Ontario Motor Speedway property. It will host local sporting events and concerts. Construction officially began on March 7, 2007.
The arena will be the future home of the ECHL's Ontario Reign, a future affiliate of the Los Angeles Kings. The arena is owned by the city of Ontario and will be operated by AEG Worldwide, which operates Staples Center in Los Angeles. The arena's basketball capacity is 10,832, for hockey it seats 9,736, 11,089 is the arena's full capacity.
The arena is scheduled to hold its grand opening on October 18, 2008. On October 24, its first event will take place, a preseason game between the Los Angeles Lakers and Oklahoma City Thunder.. The Reign will hold its first game at the arena on October 25 against the Las Vegas Wranglers. Total Nonstop Action Wrestling will hold an event there on October 31, and Carrie Underwood will play the arena's first concert on November 9. . Metallica will perform at the arena as part of their Death Magnetic Tour on December 12, 2008.