Alsasua (in Spanish, Altsasu in Basque; official name: Altsasu/Alsasua) is a town located in the autonomous community of Navarre, northern Spain.

[3] The Battle of Alsasua took place here in 1834.

30 years later the town turned into a railway hub, transforming its demography, economy, and cultural landscape.

In 2016, a fight erupting in a bar escalated into an Audiencia Nacional judicial case that stirred the town.

This article about a location in Navarre, Spain, is a stub.