O2 Arena may refer to:
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The O2 Arena
The O2 Arena, commonly known as the O2 (stylised as The O2 arena), is a multi-purpose indoor arena in the centre of the O2 entertainment complex on the Greenwich Peninsula in southeast London. It opened in its present form in 2007. It has the s ...
(London)
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O2 Arena (Prague)
O2 Arena (formerly Sazka Arena, stylised as O2 arena) is a multi-purpose arena, in Prague, Czech Republic. It is home to HC Sparta Prague of the Czech Extraliga and is the second-largest ice hockey arena in Europe.
It has hosted important sp ...
*The
3Arena
The 3Arena (originally The O2) is an indoor amphitheatre located at North Wall Quay in the Dublin Docklands in Dublin, Ireland. The venue opened as The O2 on 16 December 2008. It was built on the site of the former Point Theatre, a smaller music ...
, Dublin, formerly known as The O2
*The
Mercedes-Benz Arena, Berlin, formerly known as O2 World Berlin
*The
Barclays Arena, Hamburg, formerly known as O2 World Hamburg
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