The Arena di Monza, known for sponsorship reasons as the OpiquadArena since October 2023, is an indoor sporting arena in Monza, Italy. It is home to the Vero Volley Monza and Saugella Team Monza, volleyball teams. In 2011, it hosted matches for the 2011 Women's European Volleyball Championship. A few rounds of the Men's Volleyball World League were played in the arena in 2008. Its seating capacity is 4,500 spectators.