Château-Gontier-sur-Mayenne () is a commune in the
Mayenne
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, Orne, Sarthe, Maine-et-Loire, and Il ...
France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
. It was established on 1 January 2019 by merger of the former communes of
Château-Gontier
Château-Gontier () is a former commune in the Mayenne department in north-western France. On 1 January 2019, it was merged into the new commune Château-Gontier-sur-Mayenne.
Geography
It is about south of Laval, the préfecture of the depa ...