Rennes is a city in the east of Brittany in northwestern France at the confluence of the rivers Ille and Vilaine. Rennes is the prefecture of the region of Brittany, as well as the Ille-et-Vilaine department. In 2017, the urban area had a population of 357,327 inhabitants, and the larger metropolitan area had 739,974 inhabitants. The inhabitants of Rennes are called Rennais (masculine) or Rennaises (feminine) in French.