Ball Arena is a multi-purpose indoor arena in Denver, Colorado, hosting over 250 events annually including concerts, family shows, and professional sports as the home venue for the NBA's Denver Nuggets, NHL's Colorado Avalanche, and NLL's Colorado Mammoth. Privately owned and operated by Kroenke Sports & Entertainment, it opened in 1999 and was renamed in 2020 through a naming rights deal with Ball Corporation. The facility spans 675,000 square feet and seats up to 19,099 for basketball.