Valladares
| Name | Valladares |
| Type | Sailing vessel |
| GRT | 124 tons |
| Country |  Portuguese |
| Built | 1899 |
| Builder | A. Ddos. Santos Borda, Fao |
| Operator | J. M. Valladares (Magalhaes filho), Vianne de Castello |
| History |
U-boat attacks on Sailing vessel Valladares
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Jan 1917 | U 79 (Heinrich Jeß) | Sunk | Stopped and sunk off the Portuguese coast | 43° 30'N, 9° 48'W |
Position of attack on Valladares
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