Navarrenx is a fortified town, a bastion, the first town to be so transformed in France. It is located in the Béarn region.
https://www.guide-bearn-pyrenees.com/fr/tourisme/decouvrir/sites-touristiques/villes-villages-et-bastides/navarrenx-283/bastide-de-navarrenx-1017.html

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