|Elevation||446–800 m (1,463–2,600 ft)
(avg. 468 m or 1,535 ft)
|Land area1||10.45 km2 (4.03 sq mi)|
|- Density||1,847 /km2 (4,780 /sq mi)|
|INSEE/Postal code||42095/ 42700|
|1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.|
|2 Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.|
The name was first recorded in a 971 charter by the King of Burgundy.
Two historic churches from the 12th and 16th centuries are located here. The architect Le Corbusier designed a group of modern buildings, called "Firminy Vert", which includes a church Saint-Pierre, Firminy, cultural center, and an Unité d'Habitation.
It has important coalmines known since the 14th century and extensive manufactures of iron, steel, and aluminum goods, including railway material, machinery and cannon. Fancy woolen hosiery is also manufactured.
See also 
- This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press.
- Official website (French)
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