Châteaugiron is a commune in the Ille-et-Vilaine department of Brittany in northwestern France. It extended on 1 January 2017 by merging with the former communes of Saint-Aubin-du-Pavail and Ossé.
Population
Inhabitants of Châteaugiron are called Castelgironnais and Castelgironnaises in French. ==Sister cities==
Gallery
File:Mairie de Châteaugiron.jpg|Town hall File:Château de Châteaugiron - 09.jpg ==See also==