Saint-Hilaire-de-Briouze (French pronunciation: [sɛ̃t‿ilɛʁ də bʁijuz] ⓘ, literally Saint-Hilaire of Briouze) is a commune in the Orne department in north-western France.

[3] The commune is made up of the following collection of villages and hamlets, Le Valdary, Les Auges,Les Mézerets, La Huverie, La Grande Bêche and Saint-Hilaire-de-Briouze.

[4] The commune borders the area known as Suisse Normande.

[5] Saint-Hilaire-de-Briouze along with another 70 communes is part of a 20,593 hectare, Natura 2000 conservation area, called the Haute vallée de l'Orne et affluents.

[6] There are 4 watercourses that run through the commune, The river Rouvre plus 3 streams, Fief Benoit, Gué d'Arnettes, and the Vaux.