From the Wikipedia page 
Brest Métropole is the métropole, an intercommunal structure, centred on the city of Brest. It is located in the Finistère department, in the Brittany region, western France. It was created in January 2015, replacing the previous Communauté urbaine de Brest.
The Urban Community was founded in 1973. On January 1, 2015, the Métropole replaced the Urban Community in accordance with a law of January 2014.
- Le Relecq-Kerhuon