Agia Trias
| Name | Agia Trias |
| Type | Sailing vessel |
| GRT | 14 tons |
| Country |  Greek |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel Agia Trias
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Jul 1918 | k.u.k. U27 (Josef Holub) | Sunk | Med. Sea | 36.05N, 22.10E | 0 |
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