Ille-et-Vilaine is a department of France, located in the Brittany region in the northwest of the country. It is named after its two main rivers, the Ille and the Vilaine. Its prefecture is Rennes, wi

Mayenne is a landlocked department in northwest France named after the river Mayenne. Mayenne is part of the administrative region of Pays de la Loire and is surrounded by the departments of Manche, O