The municipality of Zalla is nailed in region of The Encartaciones (Enkarterriak), inside the Vale of Willow plantation, distanced 24 km from Bilbao direction west.

Although his integral history is still to realize, by means of reference of authors like Iturriza, Labayru and others, it is possible to outline to big features. In the Chronicle of Alfonso III the Catholic suggests himself one repopulation of the Encartaciones in the middle of the VIIIth century in reign of Alfonso I, king astur; the principal places repopulated to that the above mentioned chronicle alludes are Carranza and Sopuerta. In the IXth century the repopulation affected Zalla and Güeñes judging by legend of count Don Rubio, who happened to live in the Vale of Willow plantation. To the margin of the magnificent of the legend, this indication is sign of increase of population, at the same time that the creation of one dominion under the aegis of the family Willow plantation. In that moment the space and the population should have organized in the certain some relations

Routes and places:

ZALLA IN THE MILKY WAY OF BISCAY
YOU MARRY TOWER: TOWER TERREROS
SAN ANTONIO OF THE NOTCH
PAROCHIAL CHURCH OF SAN MIGUEL ARCHANGEL
CHAPEL OF SAN PANTALEON
CHURCH OF OTXARAN
BIDEGORRI "RIVETS IT"
SAN PEDRO ZARIKETE
YOU MARRY TOWER: SPOTTED HOUSE
YOU MARRY TOWER: BOLUMBURU
RECREATIONAL AREA OF THE FARRIER.

From the monumental point of view his three emphasize exceedingly parochial churches: That of San Miguel was founded in the XIIth century, reconstructed in 1738; The Church of the Visitación of the Farrier inaugurated in 1520, but the current building is a rebuilding dated in 1826; The Church of Santiago de Ocharan desmebró of counterfoil of San Miguel in 1524, but the current one is a reconstruction of the ends of the XVIIIth century.

Nuclei: Zalla, Mimetiz, Aranguren, Sollano-Llantada, Ocharán, Her Farrier, Ocharán de Abajo