RDS Arena is a multi-purpose sports stadium, owned by the Royal Dublin Society and located in the Dublin suburb of Ballsbridge, Ireland.
The arena was originally developed to host equestrian events, including the annual Dublin Horse Show, which was first held there in 1868. The site was acquired in 1879 by the RDS. The primary tenants of the RDS are Leinster Rugby who compete in the Pro 12 and Heineken Cup. The arena has also hosted football, and wrestling events as well as concerts. The arena has a capacity of 18,500, 16,500 of which is seated.