Ossé

Saint-Aubin-du-Pavail (French pronunciation: [sɛ̃.t‿obɛ̃ dy pavaj]; Breton: Sant-Albin-ar-Pavez) is a former commune in the Ille-et-Vilaine department in Brittany in northwestern France. On 1 January 2017, it was merged into the commune Châteaugiron.The name Saint-Aubin-du-Pavail comes from Saint Aubin, bishop of Angers in the 6th century. The term "Pavail" indicates the paving stone of the Gallo-Roman way which crossed the commune.

The Canton of Châteaugiron is a canton of France, in the Ille-et-Vilaine département, located in the northeast of the department. At the French canton reorganisation which came into effect in March 2015, the canton was expanded from 9 to 14 communes (5 of which merged into the new communes Châteaugiron and Piré-Chancé):

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.

Piré-Chancé (French pronunciation: [piʁe ʃɑ̃se]; Breton: Pereg-Kantieg) is a commune in the Ille-et-Vilaine department of Brittany in northwestern France. It was established on 1 January 2019 by merger of the former communes of Piré-sur-Seiche (the seat) and Chancé.

Châteaugiron (French: [ʃɑtoʒiʁɔ̃]; Breton: Kastell-Geron; Gallo: Chaujon) 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.

Amanlis (French pronunciation: [amɑ̃lis]; Breton: Amanliz; Gallo: Amanli) is a commune in the department of Ille-et-Vilaine in the region of Brittany in western France. The inhabitants of Amanlis are known as Amanlisiens. The known history of Amanlis dates back to pre-Roman times, when the Riedones or Redones tribe of Gauls inhabited the area. The primary products of Amanlis are agricultural. From the 16th to the mid-19th centuries, it was a center of production of sailcloth made from locally grown hemp. Sites of interest include the parish church Saint-Martin-de-Tours and the Sainte-Anne-des-Bois chapel, which is dedicated to the patron saint of Brittany.

Domagné (French pronunciation: [dɔmaɲe]; Breton: Dovanieg) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.

Brécé (French pronunciation: [bʁese]; Breton: Brec'heg; Gallo: Berczaé) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.

Servon-sur-Vilaine (French pronunciation: [sɛʁvɔ̃ syʁ vilɛn]; Breton: Servon, Gallo: Servon) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.

The Canton of Châteaubourg is a former canton of France, in the Ille-et-Vilaine département, located in the east of the department. It was disbanded following the French canton reorganisation which came into effect in March 2015. It consisted of 6 communes, and its population was 14,427 in 2012.

Châteaubourg (French pronunciation: [ʃatobuʁ]; Breton: Kastell-Bourc'h; Gallo: Chastèu-Bórg) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.

Domloup (French pronunciation: [dɔ̃lu]; Gallo: Donlô) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.