Las fiestas del Pilar are the patron festivities of Zaragoza (Aragon, Spain) celebrated in honor of La Virgen del Pilar, patron saint of the city. They take place the week of October 12th in which is celebrated the patronal party. Usually, the festivities last about ten days. In 1980 they were declared Fiestas de Interés Turístico Nacional.
In Las Fiestas del Pilar there are a number of events organized by the city council, and also joined by a number of private initiatives from organizations or private groups that take advantage of the week to organize shows, competitions and other activities of popular interest.