Lassy, Ille-et-Vilaine

Lassy
Laczic (Gallo)
Lazig (Breton)
The parish church of Saint-Martin in Lassy
Location of Lassy
Lassy
Lassy
Coordinates: 47°58′47″N 1°52′07″W / 47.9797°N 1.8686°W / 47.9797; -1.8686
CountryFrance
RegionBrittany
DepartmentIlle-et-Vilaine
ArrondissementRedon
CantonGuichen
IntercommunalityVallons de Haute-Bretagne
Government
 • Mayor (2020–2026) Didier Le Chénéchal
Area
1
9.76 km2 (3.77 sq mi)
Population
 (2023)
1,841
 • Density189/km2 (489/sq mi)
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
35149 /35580
Elevation37–112 m (121–367 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Lassy (French pronunciation: [lasi] ; Breton: Lazig; Gallo: Laczic) is a commune in the Ille-et-Vilaine department of Brittany in northwestern France.