Wales Millennium Centre (Welsh: Canolfan Mileniwm Cymru) is an arts centre located in the Cardiff Bay area of Cardiff, Wales. The site covers a total area of 4.7 acres (1.9 ha). Phase 1 of the building was opened during the weekend of the 26–28 November 2004 and phase 2 opened on 22 January 2009 with an inaugural concert. The centre has hosted performances of opera, ballet, dance, comedy and musicals.