Saint-Mars-de-Coutais
Commune
A general view of Saint-Mars-de-Coutais
Coat of arms
Location of Saint-Mars-de-Coutais
Saint-Mars-de-Coutais Show map of France Saint-Mars-de-Coutais Show map of Pays de la Loire
Coordinates: 47°06′48″N 1°44′04″W / 47.1133°N 1.7344°W / 47.1133; -1.7344
Country	France
Region	Pays de la Loire
Department	Loire-Atlantique
Arrondissement	Nantes
Canton	Machecoul-Saint-Même
Intercommunality	Sud Retz Atlantique
Government
• Mayor (2020–2026)	Jean Charrier[1]
Area 1	34.67 km2 (13.39 sq mi)
Population  (2021)[2]	2,645
• Density	76/km2 (200/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	44178 /44680
Elevation	0–38 m (0–125 ft) (avg. 7 m or 23 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Saint-Mars-de-Coutais (French pronunciation: [sɛ̃ maʁ də kutɛ] ^ⓘ; Breton: Sant-Marzh-ar-C'hoad) is a commune in the Loire-Atlantique department in western France.^[3]

Gare de Port-Saint-Père-Saint-Mars is served by train services between Pornic, Saint-Gilles-Croix-de-Vie and Nantes.

• Communes of the Loire-Atlantique department

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