The O2 Arena

The O2 Arena is a multi-purpose indoor arena located in the centre of The O2 entertainment complex on the Greenwich Peninsula in south east London. The 20,000-seat arena was built under the former Millennium Dome, a large dome shaped building built to house an exhibition celebrating the turn of the third millennium; as the dome shaped structure still stands over the arena, The Dome remains a name in common usage for the venue. The arena, as well as the total O2 complex, is named after its primary sponsor, the telecommunications company O2.

Amber mentions the O2 Arena during an episode from the second season of The Amber & Casey Show, for which she and Casey dream about Atsushi and Takahiro co-headlining a worldwide concert tour, with London being one of the tour stops.