From the Wikipedia page 
Vitré Communauté is the communauté d'agglomération, an intercommunal structure, centred on the town of Vitré. It is located in the Ille-et-Vilaine department, in the Bretagne region, northwestern France. It was created in 2002. Its population was 81,467 in 2014, of which 18,171 in Vitré proper. It has an area of 880 km2.