The arena is part of the Bilbao Exhibition Centre ( BEC ) complex inaugurated in April 2004 .
The Bilbao Exhibition Centre ( BEC ) complex is the Exhibition and Congress Centre of Bilbao and Biscay .
The arena is part of the Bilbao Exhibition Centre ( BEC ) complex , the Exhibition and Congress Centre of Bilbao and Biscay , inaugurated in April 2004 .