Viola beiroa
| Portuguese Viola Beiroa at the Casa Museo Del Timple, Lanzarote, Spain. | |
| String instrument | |
|---|---|
| Classification | String instrument | 
| Hornbostel–Sachs classification | (Composite chordophone) | 
| Developed | Castelo Branco, Eastern Portugal | 
| Related instruments | |
| Viola caipira, viola braguesa, viola campanica, viola da terra, viola de arame, viola sertaneja, viola Terceira, viola toeira, viola amarantina. | |
The viola beiroa is a stringed musical instrument from Castelo Branco, Eastern Portugal. It has 12 strings in 7 courses. The strings are made of steel. It is tuned D3, D3, A3 A2, D3 D2, G3 G2, B3 B3, D3 D3. The scale length is about 520mm.