Chasné-sur-Illet

Chasné-sur-Illet
Chasnaé (Gallo)
Kadeneg (Breton)
Saint Martin church
Location of Chasné-sur-Illet
Chasné-sur-Illet
Chasné-sur-Illet
Coordinates: 48°14′32″N 1°33′37″W / 48.2422°N 1.5603°W / 48.2422; -1.5603
CountryFrance
RegionBrittany
DepartmentIlle-et-Vilaine
ArrondissementRennes
CantonLiffré
IntercommunalityLiffré-Cormier Communauté
Government
 • Mayor (2025–2026) Benoît Michot
Area
1
9.47 km2 (3.66 sq mi)
Population
 (2023)
1,744
 • Density184/km2 (477/sq mi)
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
35067 /35250
Elevation39–81 m (128–266 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Chasné-sur-Illet (French pronunciation: [ʃane syʁ ilɛ]; Gallo: Chasnaé, Breton: Kadeneg) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.