| Type: | Ortsteil |
| Town: | Rohrberg |
| Coordinates: | 52.7267°N 11.0167°W |
| State: | Sachsen-Anhalt |
| District: | Altmarkkreis Salzwedel |
| Elevation: | 43 |
| Area: | 11.42 |
| Population: | 164 |
| Stand: | 2006-12-31 |
| Postal Code: | 29416 |
| Area Code: | 039007 |
| Licence: | SAW |
| Website: | www.beetzendorf- diesdorf.de |
Bierstedt is a village and a former municipality in the district Altmarkkreis Salzwedel, in Saxony-Anhalt, Germany. Since 1 January 2009, it is part of the municipality Rohrberg. It is located in central Germany.