Saint-Étienne Métropole

Saint-Étienne Métropole is the métropole, an intercommunal structure, centred on the city of Saint-Étienne. It is located in the Loire department, in the Auvergne-Rhône-Alpes region, central France. It was created in January 2018, replacing the previous Communauté urbaine Saint-Étienne Métropole. Its population was 408,685 in 2014, of which 173,504 in Saint-Étienne proper.
In 1995, Saint-Étienne Métropole was created as a communauté de communes, consisting of 22 communes. This was converted into a communauté d'agglomération in 2001, expanded to 43 communes in 2003 and to 45 communes in 2013. The communauté d'agglomération was converted to a communauté urbaine in January 2016. It was expanded to 53 communes in January 2017. The communauté urbaine was converted to a métropole in January 2018.

Wikipedia