The history and evolution of this sports enclosure has been closely tied to its main user, the basketball team Saski Baskonia of the League ACB.

Works to increase the arena's seating capacity from 9,923 to 15,504 people began in March 2011, and finished in April 2012.

[8] The Final Eight of the Copa del Rey (Spanish Cup) was played four times at Buesa Arena (2000, 2002, 2008 and 2013).

[10] The arena has hosted the Euskalgym since 2014, which is one of the biggest and greatest rhythmic gymnastics gala events in the world.

This is a list of league and EuroLeague games attendances of Baskonia at Fernando Buesa Arena since the last expansion was completed.