Chartres is a city located in the Centre-Val de Loire region of France. It serves as the prefecture of the Eure-et-Loir department and is situated approximately 90 km (56 mi) southwest of Paris.
As of 2023, the metropolitan area of Chartres had a population of 171,665 inhabitants. Within this region, the city proper (commune) of Chartres has a population of 38,324.