The capacity of Ball Arena, which serves as the home for the Colorado Avalanche, is approximately 18,000 for hockey games. This multipurpose arena, located in Denver, Colorado, also hosts events beyond hockey, including basketball games and concerts, which can slightly alter its seating configuration and capacity. Originally opened in 1999, the arena has undergone several renovations to enhance the fan experience and ensure it remains a top venue for sporting events and entertainment. For those interested in more details about events hosted at Ball Arena or specific seating arrangements, it would be beneficial to visit the arena's official website, where current information is always available.