Pacé is a commune in the Ille-et-Vilaine department of Brittany in northwestern France. Pacé is on the banks of the River Flûme, itself …Pacé is a commune in the Ille-et-Vilaine department of Brittany in northwestern France. Pacé is on the banks of the River Flûme, itself a tributary of the River Vilaine. Neighbouring municipalities include Gévezé to the north, La Mézière to the north-east, with La Chapelle-des-Fougeretz and Montgermont in the east. The capital of Brittany, Rennes lies to the south-east of Pacé.