| Country | France (FR) |
| UN/LOCODE | MQW |
| Name | Mercin-et-Vaux |
| Name Without Diacritics | Mercin-et-Vaux |
| Region | 2 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1901 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4923N 00317E |
| Latitude Longitude | 49.377, 3.2777 |