Zarréu
| Zarréu | |
|---|---|
| Former mines of Zarréu | |
| Coordinates: 42°57′N 6°2′W / 42.950°N 6.033°W | |
| Country | Spain | 
| Autonomous community | Asturias | 
| Province | Asturias | 
| Municipality | Degaña | 
Zarréu is one of three parishes (administrative divisions) in the Degaña municipality, within the province and autonomous community of Asturias, in northern Spain.
The population is 867 (INE 2007).