The O2 Academy is a popular live music venue and nightclub chain in the United Kingdom. It hosts a variety of events, including concerts, club nights, and special performances, featuring both emerging and established artists across different genres. The venues are known for their vibrant atmosphere and excellent acoustics. There are several O2 Academy locations, with the most notable ones in cities like Birmingham, Liverpool, and Glasgow. Each venue typically has a capacity ranging from a few hundred to several thousand people, making them ideal for both intimate shows and larger events.