Saint-Perreux
| Saint-Perreux Sant-Pereg | |
|---|---|
| The church of Saint-Perreux. | |
| Location of Saint-Perreux | |
| Coordinates: 47°40′12″N 2°06′23″W / 47.67°N 2.1064°W | |
| Country | France | 
| Region | Brittany | 
| Department | Morbihan | 
| Arrondissement | Vannes | 
| Canton | Guer | 
| Intercommunality | Redon Agglomération | 
| Government | |
| • Mayor (2020–2026) | Lionel Jouneau | 
| Area 1 | 6.23 km2 (2.41 sq mi) | 
| Population  (2022) | 1,049 | 
| • Density | 170/km2 (440/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 56232 /56350 | 
| Elevation | 1–49 m (3.3–160.8 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
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.