Le Theil-de-Bretagne

Coësmes (French pronunciation: [kɔɛm]; Gallo: Coèsm, Breton: Koem) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.

Essé (French pronunciation: [ese]; Gallo: Eczaé, Breton: Ezieg) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.

Sainte-Colombe (French pronunciation: [sɛ̃t kɔlɔ̃b] ; Gallo: Saentt-Cólonbb-an-la-Méy, Breton: Santez-Koulm) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.

The Canton of Retiers is a former canton of France, in the Ille-et-Vilaine département, located in the southeast of the department. It was disbanded following the French canton reorganisation which came into effect in March 2015. It consisted of 10 communes, and its population was 13,391 in 2012.

Retiers (French pronunciation: [ʁətje]; Breton: Rester; Gallo: Restier) is a commune in the Ille-et-Vilaine department of Brittany in northwestern France.

Boistrudan (French pronunciation: [bwatʁydɑ̃]; Breton: Koetruzan; Gallo: Boéz-Trudan) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.

Marcillé-Robert (French pronunciation: [maʁsije ʁɔbɛʁ]; Breton: Marc'helleg-Roperzh; Gallo: Marcilhae-Robert) is a commune in the Ille-et-Vilaine department of Brittany in northwestern France.

The Canton of Janzé is a canton of France, in the Ille-et-Vilaine département, located in the southeast of the department. At the French canton reorganisation which came into effect in March 2015, the canton was expanded from 6 to 10 communes.It consists of the following communes:

Janzé (Breton: Gentieg, Gallo: Janzae) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France. It is also the seat of the Canton of Janzé. The inhabitants of Janzé are called Janzéens in French. Early historical evidence points to the settlement of the area by Gallic tribes before the Roman occupation. Two Christian parishes were established in the 11th and 13th centuries. After the French Revolution, Janzé became an important center of agriculture and commerce and is currently well known for its poultry industry. Among its sites of interest are two official French Historical Monuments (Monument Historique): the menhir called The Fairies' Rock (La Pierre des Fées) and the Church of Saint Martin (Eglise Saint-Martin).

La Couyère (French pronunciation: [la kujɛʁ]; Gallo: La Góyèrr, Breton: Ar Gouer) is a commune in the Ille-et-Vilaine department of Brittany in northwestern France. The commune is home to a small Solar System model established in 2011.

Thourie (French pronunciation: [tuʁi]; Gallo: Tóric, Breton: Tourig) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.

Piré-sur-Seiche (French pronunciation: [piʁe syʁ sɛʃ]; Breton: Pereg) is a former commune in the Ille-et-Vilaine department of Brittany in northwestern France. On 1 January 2019, it was merged into the new commune Piré-Chancé.