| Country | Indonesia (ID) |
| UN/LOCODE | STR |
| Name | Siantar |
| Name Without Diacritics | Siantar |
| Region | SU |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1101 |
| Timezone | Asia/Jakarta |
| Location (UN Format) | 0158N 09847E |
| Latitude Longitude | 1.9826, 98.8096 |