Les Salles (French pronunciation: [le sal]) is a commune in the Loire department in central France.

The basement is largely granitic (type monzogranite) with a limestone area on the side of Fialins and Fours à Chaux (calcareous tufa element) The earliest citation of the name of the town dates from about the year 1000 in the cartulary of Savigny: Ecclesia de Sales.

This word derives from late Latin "sala" after borrowing from Frankish "sal" which resulted in German, "Saal" bedroom castle.

- To Vachet it derive from the Latin "olla" pots, jars, even "Aula": courtyard home - Others see a merger with St. Francois de Sales.

Les Bataillouses: In November 1567, a group of Protestants, led by Poncenat is defeated by the Catholics of the Marquis de La Chabre .