| Mailberg | |
| Settlement Type: | Municipality |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 48.6667°N 27°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Lower Austria |
| Subdivision Type2: | District |
| Subdivision Name2: | Hollabrunn |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Herbert Goldinger |
| Elevation M: | 217 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 2024 |
| Area Code Type: | Area code |
| Area Code: | 02943 |
Mailberg is a town in the district of Hollabrunn in Lower Austria, Austria. First mentioned in records in 1055, Castle Mailberg (in German: Schloss Mailberg) is owned and run by the Austrian Grand Priory of the Sovereign Military Order of Malta since 1146. It is known for its wine production and now serves as a castle hotel and as Vinothek for the local Winemakers Community "Mailberg Valley".[1]
Mailberg is home to several family-owned wineries, the largest being Weingut Hagn. The most notable grape variety to the region of Mailberg is Grüner Veltliner, a white wine variety that in the area surrounding Mailberg develops a more spicy and peppery character. Though primarily known for producing white wines, wine producers also produce red wine. The most prominent red grape variety is Zweigelt, which is grown widely in Austria.