Rennes (Gallo: Resnn, Roazhon) is a city of northwestern France, in the east of Brittany. Rennes is the capital of the Bretagne région, as well as the préfecture of the Ille-et-Vilaine département.

Population of the city (commune) of Rennes at the 1999 census was 206,229 inhabitants (209,100 inhabitants as of February 2004 estimates). Population of the whole metropolitan area (French: aire urbaine) at the 1999 census was 521,188 inhabitants, and 588,684 inhabitants as of 2007 estimate. Inhabitants of Rennes are called Rennais.