The department of Pyrenees-Atlantiques, part of Aquitaine.
West of Pyrenees-Atlantiques is also part of Basque country.
Main towns: Pau, Bayonne, Biaritz.
Bordering departments of Landes, Gers, Hautes Pyrenees, Spain across Pyrenees Mountains and Atlantic Ocean.

It's also northern part of Basque Country: The historic and cultural French Basque country.
Basque country is both part of Pyrenees-Atlantiques and Spanish Navarre and Vasco country.
Made up by Soule or Zuberoa, Labourd or Lapurdi, and Basse Navarre or Baxenabarra in France, and Navarre, Biscaye, Guipuzcoa and Alava in Spain.
A place for only Pyrenees-Atlantiques or French Basque country main topic sites having an English version.
A place for only Bayonne main topic sites having an English version.