Salvatierra in Spanish and Agurain in Basque (officially Agurain/Salvatierra), it is a town and municipality located in the province of Álava in the Basque Autonomous Community, northern Spain. The municipality, numbering 4,407 inhabitants (2007), is in turn the head town of the district or Cuadrilla of Salvatierra. The gross income per family amounts to 6,784 € (1997, Basque Autonomous Community: 8,258 €).