| Country | France (FR) |
| UN/LOCODE | MLA |
| Name | Mareuil-sur-Ay |
| Name Without Diacritics | Mareuil-sur-Ay |
| Region | 51 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1901 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4903N 00402E |
| Latitude Longitude | 49.0458, 4.0359 |