Saint-Vincent-sur-Oust

The Aff (French pronunciation: [af]; Breton: Av) is a river in Brittany, western France. It is a 66-kilometre (41 mi) long tributary of the river Oust. It is canalized for 7 kilometres (4.3 mi) between Glénac (its confluence with the Oust) and La Gacilly.

Glénac (French pronunciation: [ɡlenak]; Breton: Glenneg) is a former commune in the Morbihan department of Brittany in north-western France. On 1 January 2017, it was merged into the commune La Gacilly. Its population was 908 in 2022. Inhabitants of Glénac are called in French Glénacois.

Saint-Perreux (French pronunciation: [sɛ̃ pɛʁø] ; Breton: Sant-Pereg) is a commune in the Morbihan department of Brittany in north-western France. It was named after the Welsh monk, Saint Petroc.

The Arz (Breton: Aer) is a 66.4 km (41.3 mi) long river in the Morbihan département, northwestern France. Its source is at Plaudren. It flows generally east-southeast. It is a right tributary of the Oust into which it flows at Saint-Jean-la-Poterie, near Redon.

Allaire (French pronunciation: [alɛʁ] ; Breton: Alaer) is a commune in the Morbihan department in the Brittany region in northwestern France.

Saint-Jean-la-Poterie (French pronunciation: [sɛ̃ ʒɑ̃ la pɔtʁi] ; Breton: Sant-Yann-ar-Wern) is a commune in the Morbihan department of Brittany in north-western France.

Redon is a railway station serving the town of Redon, Ille-et-Vilaine department, western France. The station is situated on the Rennes–Redon railway and the Savenay–Landerneau railway.

Bains-sur-Oust (French pronunciation: [bɛ̃ syʁ ust], literally Bains on Oust; Breton: Baen-Ballon, Gallo: Bein) is a commune in the Ille-et-Vilaine departement in Brittany in northwestern France.

The Battle of Ballon took place on 22 November 845 between the forces of Charles the Bald, king of West Francia, and Nominoë, Duke of Brittany. Nominoë was appropriating border territory and opposing Charles' attempt to impose Frankish authority. Nominoë defeated Charles, initiating a period of Breton expansion and consolidation of power.

The canton of Redon is an administrative division of the Ille-et-Vilaine department, in northwestern France. At the French canton reorganisation which came into effect in March 2015, it was expanded from 6 to 15 communes. Its seat is in Redon. It consists of the following communes:

Redon (French pronunciation: [ʁədɔ̃] ; Breton pronunciation: [ˈreːdõn]) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France. It is a sub-prefecture of the department.

Redon Abbey, or Abbey of Saint-Sauveur, Redon ("Abbey of the Holy Saviour"; French: Abbaye Saint-Sauveur de Redon), in Redon in the present Ille-et-Vilaine, Brittany, France, is a former Benedictine abbey founded in 832 by Saint Conwoïon, at the point where the Oust flows into the Vilaine, on the border between Neustria and Brittany.