| Type: | Stadtteil |
| Town: | Barby |
| Image Coa: | kein |
| Coordinates: | 51.9667°N 58°W |
| State: | Sachsen-Anhalt |
| District: | Salzlandkreis |
| Elevation: | 49 |
| Area: | 3.63 |
| Population: | 523 |
| Stand: | 2009-12-31 |
| Postal Code: | 39249 |
| Area Code: | 03928 |
| Licence: | SLK |
| Website: | www.stadt-barby.de |
Gnadau is a village and a former municipality in the district Salzlandkreis, in Saxony-Anhalt, Germany. Since 1 September 2010, it is part of the town Barby.[1] It was founded as a settlement of the Moravian Church (Herrnhuter Brüdergemeine) in the 1767 and is seat of a number of diaconal institutions. The name means "Meadow of Grace".