Olejua is a town and municipality in northern Spain, located in the province and autonomous community of Navarre. It is one of the many small municipalities that make up this region of northern Iberia.
As a municipality, Olejua holds the administrative status that in Spain covers both a settlement and the surrounding territory under its local government. Navarre is divided into numerous such municipalities, many of them small and rural, and Olejua belongs to this group.
The town lies in Navarre, an autonomous community in northern Spain that borders France to the north. Beyond its status as a town and municipality within the province and autonomous community of Navarre, few further details are recorded in the available source material.