Batz-sur-Mer

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Batz-sur-Mer Borg-de-Baz (Gallo) Bourc'h-Baz (Breton)
Commune
Coat of arms
Location of Batz-sur-Mer
Batz-sur-Mer Show map of France Batz-sur-Mer Show map of Pays de la Loire
Coordinates: 47°16′41″N 2°28′44″W / 47.2781°N 2.4789°W / 47.2781; -2.4789
Country	France
Region	Pays de la Loire
Department	Loire-Atlantique
Arrondissement	Saint-Nazaire
Canton	La Baule-Escoublac
Intercommunality	CA Presqu'île de Guérande Atlantique
Government
• Mayor (2020–2026)	Marie-Catherine Lehuédé[1]
Area 1	9.27 km2 (3.58 sq mi)
Population  (2021)[2]	2,823
• Density	300/km2 (790/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	44010 /44740
Elevation	0–21 m (0–69 ft) (avg. 12 m or 39 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Batz-sur-Mer (French pronunciation: [ba syʁ mɛʁ], literally Batz on Sea; Gallo: Borg-de-Baz, Breton: Bourc'h-Baz) is a commune in the Loire-Atlantique department in western France.

The commune is situated on a former island, which until around the 9th century was separate from the mainland at Guérande and the neighbouring island of Le Croisic. The territory of the commune is now part of the wild coast of the Guérande Peninsula with rocky cliffs, sandy beaches along the Atlantic Ocean and extensive salt marshes to the northeast and east.

The town lies between the Bay of Biscay and its salt marshes and is a very Breton town of whitewashed granite houses.^[3]