| Country | Portugal (PT) |
| UN/LOCODE | GEM |
| Name | Gemieira |
| Name Without Diacritics | Gemieira |
| Function Code | -----6-- |
| Function | Multi-use Location |
| Status Code | RL (Recognised Location) |
| Date | 1201 |
| Timezone | Europe/Lisbon |
| Location (UN Format) | 4146N 00831W |
| Latitude Longitude | 41.7762, -8.5283 |