| Country | Portugal (PT) |
| UN/LOCODE | MER |
| Name | Merceana |
| Name Without Diacritics | Merceana |
| Region | 11 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1601 |
| Timezone | Europe/Lisbon |
| Location (UN Format) | 3906N 00907W |
| Latitude Longitude | 39.094, -9.1117 |