Palau de les Arts Reina Sofia (; ; anglicised as "Reina (Queen) Sofía Palace of the Arts") is an opera house and cultural centre in Valencia, Spain. It opened on 8 October 2005; its first opera staging was of Beethoven's Fidelio on 25 October 2006. Tenor and conductor Plácido Domingo has maintained a special relationship with the Palau since its founding and has established a young singers training program there.