The Arriaga theatre is one of the most important buildings in the city of Bilbao .
It was modelled on the Paris Opera House and opened in 1890. It is the work of architects Joaquín Rucoba and Octavio de Toledo. The building is named after the Bilbao-born composer Juan Crisóstomo de Arriaga, whose bust presides over the imperial staircase. Its façade is in an eclectic style, with large balconies.