Trois-Villes is a commune in the department of Pyrénées-Atlantiques in the Nouvelle-Aquitaine Region of south-western France.
The French military officer Comte de Troisville was a major landowner in this city.
It is located in the former province of Soule.
Wikipedia https://en.wikipedia.org/wiki/Trois-Villes
Coordinates 43°8'1.659" N -0°52'34.393" E