Cernay, Haut-Rhin

Cernay Sanna (Alsatian) Sennheim (German)
Commune
The town hall
Coat of arms
Location of Cernay
Cernay Location within France Cernay Location within Grand Est
Coordinates: 47°49′N 7°11′E
Country	France
Region	Grand Est
Department	Haut-Rhin
Arrondissement	Thann-Guebwiller
Canton	Cernay
Intercommunality	Thann-Cernay
Government
• Mayor (2020–2026)	Michel Sordi (LR)
Area 1	18.04 km2 (6.97 sq mi)
Population  (2023)	12,057
• Density	668.3/km2 (1,731/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	68063 /68700
Elevation	277–358 m (909–1,175 ft) (avg. 295 m or 968 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Cernay (French pronunciation: [sɛʁnɛ] ^ⓘ; Alsatian: Sanna; German: Sennheim) is a commune in the Haut-Rhin department in Grand Est in north-eastern France.

It is situated on the river Thur, 17 km northwest of Mulhouse.