Navarre UK /nəˈvɑː(ɹ)/US /nəˈvɑɹ/ noun3 •An autonomous community and province in northern Spain. •(historical) A former kingdom, originally predominantly Basque-speaking, in modern northern Spain and southwest France. •A geographic region and former province in the Northern Basque Country in the present Pyrénées-Atlantiques department, Nouvelle-Aquitaine, southwest France; in full, Lower Navarre.