| Country | Mexico (MX) |
| UN/LOCODE | SDU |
| Name | San Diego de la UniÛn |
| Name Without Diacritics | San Diego de la Union |
| Region | GUA |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1701 |
| Timezone | America/Mexico_City |
| Location (UN Format) | 2128N 10052W |
| Latitude Longitude | 21.4675, -100.8731 |