Atlas Arena is a multipurpose indoor arena in Łódź, Poland, opened on June 26, 2009 at al. Bandurskiego. It is one of the largest Polish venues with a seating capacity of 10,400, with an optional extra 3,000, it has 1,500 parking places and 11 VIP lounges. The arena hosts conferences, concerts and sports events. In August 2009, Atlas Group purchased the naming rights to the arena for a period of 5 years.

99 Revolutions Tour was a concert tour by American rock band Green Day in support of the band's trilogy, ¡Uno!, ¡Dos! and ¡Tré!, that took place in 2013. The tour was named after the song "99 Revolutions" from ¡Tré!.