Aquitaine is the large region comprising the SW of France, bordered by the Atlantic to the west, and Spain and the Pyrenees to the south.
It is made up of departments of Dordogne, Gironde, Landes, Lot-et-Garonne, and Pyrenees-Atlantiques. South-west of Aquitaine is part of Basque country.
Bordering region of Poitou-Charentes, Midi-Pyrenees, Spain across Pyrénées Mountains, and Atlantic Ocean.