Duchy of Aquitaine
The Duchy of Aquitaine ( , ; , ) was a historical fiefdom in western , central and southern areas of present-day France to the south of the Loire River , although its extent , as well as its name , fluctuated greatly over the centuries , at times comprising much of what is now southwestern France ( Gascony ) and central France . 
<triplet> Loire River <subj> France <obj> basin country