The O2 Arena, commonly known as the O2, is a multi-purpose indoor arena in the centre of The O2 entertainment district on the Greenwich Peninsula in southeast London, England. It opened in its present form in 2007. It has the third-highest seating capacity of any indoor venue in the United Kingdom, behind Co-op Live and Manchester Arena, and in 2008 was the world's busiest music arena. The world-famous O2, 20,000-capacity arena hosts over 200 events each year, and has sold over 30 million tickets since opening in 2007.
Def Leppard is a legendary British rock band known for their melodic hard rock sound, massive hit songs, and energetic live shows. With a career spanning decades, they have become one of the most successful and influential rock bands in the world.
