Treffieux
commune in Loire-Atlantique, France
Treffieux is a commune. It is in the Pays de la Loire region in the Loire-Atlantique department in western France.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a0/Blason_ville_fr_Tr%C3%A9ffieux_%28Loire-Atlantique%29.svg/90px-Blason_ville_fr_Tr%C3%A9ffieux_%28Loire-Atlantique%29.svg.png)
Treffieux is a commune. It is in the Pays de la Loire region in the Loire-Atlantique department in western France.