| Type: | Municipality |
| Image Coa: | DE-ST 15-0-85-230 Aue-Fallstein COA.png |
| Coordinates: | 51.9667°N 59°W |
| State: | Sachsen-Anhalt |
| District: | Harz |
| Elevation: | 172 |
| Area: | 118.41 |
| Population: | 5245 |
| Stand: | 2006-12-31 |
| Postal Code: | 38835 |
| Area Code: | 039458-039421-039422 |
| Licence: | HZ |
| Website: | www.aue-fallstein.de |
| Noautocat: | yes |
| Dissolved: | 2010 |
Aue-Fallstein was a short-lived municipality in the district of Harz, in Saxony-Anhalt, Germany. It was formed on 11 September 2003 by the merger of the former municipalities Dardesheim, Deersheim, Hessen, Osterode am Fallstein, Rohrsheim, Veltheim and Zilly.[1] On 1 January 2010, it was merged into the town Osterwieck.[2]