| Coordinates: | 52.2333°N 38°W |
| Image Plan: | Gräben in PM.png |
| State: | Brandenburg |
| District: | Potsdam-Mittelmark |
| Amt: | Ziesar |
| Elevation: | 65 |
| Area: | 40.29 |
| Postal Code: | 14793 |
| Area Code: | 033833 |
| Licence: | PM |
| Gemeindeschlüssel: | 12 0 69 232 |
| Mayor: | Jutta Debler[1] |
| Leader Term: | 2024 - 29 |
Gräben is a municipality in the Potsdam-Mittelmark district, in Brandenburg, Germany.