| Postal Code Place Name | La Tranche-sur-Mer |
| Region | Pays de la Loire |
| Department | Vendée |
| Arrondissement | Les Sables-d'Olonne |
| Canton | Mareuil-sur-Lay-Dissais |
| Current Time: | CEST |
| Time Zone: | Central European Summer Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 02 |