Rennes is a city located in the east of Brittany in northwestern France. It is situated at the confluence of the rivers Ille and Vilaine and serves as the prefecture for both the Brittany region and the Ille-et-Vilaine department.
As of 2023, the city has a population of 230,890 inhabitants. The broader metropolitan area is ranked as the tenth most populated in France, with a total population of 789,516. Residents of the city are referred to as Rennais (masculine) and Rennaises (feminine).