The organisation named Saint-Etienne Métropole is a group of municipalities in the department of the Loire, in Auvergne-Rhône-Alps. The total population of this intermunicipal organisation is 411815 inhabitants, spread across a surface area of 723.50 km². The population density is 504 inhabitants/km². The altitude varies between 189 metres and 1396 metres. The Saint-Etienne Métropole public intermunicipal cooperation establishment comprises the 53 municipalities listed below.