The Euskalduna Conference Centre and Concert Hall (Palacio Euskalduna, in Spanish),(Euskalduna Jauregia, in Basque) is located in the city of Bilbao, in the Basque Country (Spain), beside the Estuary of Bilbao, built in part of the area that was formerly occupied by the Euskalduna shipyards.
It was designed by architects Federico Soriano and Dolores Palacios, inaugurated in February 1999 and contains a variety of spaces, functioning as a conference center, opera house and concert hall. It also houses the Bilbao Symphony Orchestra (BOS), founded in 1920.