Doneztebe-Santesteban is a town and municipality in the province and autonomous community of Navarre, in northern Spain. It is one of the many municipalities that make up this region of northern Spain, which lies in the western Pyrenees area bordering France.
The town carries a dual name reflecting Navarre's bilingual character: "Doneztebe" is the Basque form and "Santesteban" the Spanish form, both referring to the same settlement. This dual naming is common among municipalities in Navarre, where Basque and Spanish place names often coexist officially.
As a municipality, Doneztebe-Santesteban serves as the local administrative unit for the town and its surrounding area. It is situated in the northern part of Navarre, a region known for its mountainous terrain and proximity to the Pyrenees.