Palacio Euskalduna (Euskalduna Conference Centre and Concert Hall), Bilbao

The Euskalduna Conference Centre and Concert Hall (Palacio Euskalduna in Spanish, Euskalduna Jauregia in Basque) is located in the city 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 and construction started in 1994. It was inaugurated in February 1999 and contains a variety of spaces, functioning as a conference center, opera house and concert hall. In 2003 it was declared by the International Congress Palace Association as the world's best congress center. The building also won the Enric Miralles award. Euskalduna organizes and hosts a wide range of activities, including cultural, political, business, academic and social events. The main auditorium in the building has 2.164 seats and can stage performances of theatre, ballet, concerts, and opera. The building is equipped with storage space, dressing rooms, and rehearsal rooms.

It is located on the zone of Abandoibarra, near the Guggenheim Museum Bilbao. The building is connected to the rest of the city by tram, Bilbao Metro Lines 1 and 2 and Cercanías Bilbao lines C1 and C2. It is located in the centre of the city and activities like BAO are well-regarded. The ABAO opera season is a major event in this building. It also houses the Bilbao Symphony Orchestra (BOS), founded in 1920.