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 and was re-branded on 4 September 2014 due to the takeover of O2 Ireland by Three Ireland. The venue is owned by a Live Nation subsidiary, Apollo Leisure Group Ltd. and is among the top ten busiest music arenas by ticket sales in the world.