Ancín (also known as Antzin) is a town and municipality in the province and autonomous community of Navarre, in northern Spain.
It is situated within the Navarre region, which lies in the north of the country and borders France to the north. The municipality is one of many small settlements that make up this autonomous community.
As a municipality, Ancín holds the administrative status of a local governing unit within Navarre, encompassing the town itself and its surrounding area.