The river Onin and Lesaka.
Lesaka is a town and
municipality located in the province and autonomous community of
Navarre, in Spain. It is situated in the merindad of
Iruña, in the region of
Bortziriak (Five Villas) and to 75 km of the capital of the community, Iruña/
Pamplona. The population in 2014 was of 2742 inhabitants.
The population centres in Lesaka are the following: Alkaiaga, Auzoberri, Biurrana, Kaztazpegi, Endara, Endarlaza, Frain, Izotzaldea, Lesaka centre, Navaz, Otsango Auzoa, Zala, and Zalain.