Basileios
| Name | Basileios |
| Type | Sailing vessel |
| GRT | 488 tons |
| Country |  Greek |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel Basileios
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 9 Aug 1916 | UB 46 (Cäsar Bauer) | Sunk | Barcelona - Patras | ||||
| aka VASSILAOS | ||||||||
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