Kalmar "Aquitania" tana nufin wani yanki na tarihi a kudu maso yammacin Faransa a lokacin zamanin Romawa, wanda mutanen Aquitani ke zaune. An kuma yi amfani da sunan "Aquitanian" don kwatanta yaren da ake magana da shi a wannan yanki a daidai wannan lokacin. A yau, ana yawan amfani da kalmar "Aquitaine" zuwa yanki ɗaya, wanda ya haɗa da birane kamar Bordeaux, Bayonne, da Biarritz.
