Arenas

An arena is a large venue designed to host events with a central performance or competition area surrounded by spectator seating. While the term is often associated with indoor spaces, some arenas are covered but not fully enclosed. Arenas differ from stadiums primarily in size, architectural emphasis, and typical uses; arenas are usually smaller, indoor, and designed for flexible configurations.

Most arenas feature a central floor that can be configured as a basketball court, ice rink, stage, or other surface, with tiered seating around the perimeter to optimize sightlines. Modern arenas employ modular seating, retractable floors, advanced lighting, sound systems, scoreboard displays, and premium seating areas. Acoustics and pedestrian flow are important for event versatility and safety.

Uses and types: Indoor arenas host professional and amateur sports such as basketball and hockey, combat sports, concerts, family shows, conventions, and esports. Some venues are dedicated to a single sport; many are multipurpose and can rapidly switch configurations to accommodate different events. Outdoor arena-like venues exist as amphitheaters or stadiums with enclosed roofs; the term arena in common usage often refers to indoor facilities.

Notable examples include Madison Square Garden in New York; The O2 in London; Crypto.com Arena in Los Angeles; United Center in Chicago; Rod Laver Arena in Melbourne; and Qudos Bank Arena in Sydney. Arenas can act as anchors for urban activity, influencing local economy, transportation, and cultural events through diverse programming.