| Country | Poland (PL) |
| UN/LOCODE | GRK |
| Name | Grodzisk Mazowiecki |
| Name Without Diacritics | Grodzisk Mazowiecki |
| Region | MZ |
| Function Code | -23----- |
| Function | Rail, Road |
| Status Code | RL (Recognised Location) |
| Date | 901 |
| Timezone | Europe/Warsaw |
| Location (UN Format) | 5207N 02038E |
| Latitude Longitude | 52.1039, 20.6337 |