| Country | Canada (CA) |
| UN/LOCODE | GRT |
| Name | Gretna |
| Name Without Diacritics | Gretna |
| Region | MB |
| Function Code | -2------ |
| Function | Rail |
| Status Code | RL (Recognised Location) |
| Date | 1301 |
| Timezone | America/Toronto |
| Location (UN Format) | 4900N 09733W |
| Latitude Longitude | 44.1926, -76.9826 |