| Berg Castle | |
|---|---|
Schlass Bierg | |
 Principal residence of the Grand Ducal family | |
  Location within Luxembourg | |
| General information | |
| Type | Castle |
| Town or city | Colmar-Berg |
| Country | Luxembourg |
| Coordinates | 49°48′53″N 6°05′15″E / 49.814666°N 6.087595°E |
| Construction started | 1907 |
| Completed | 1911 |
| Design and construction | |
| Architect(s) | Max Ostenrieder and Pierre Funck-Eydt |
Berg Castle (Luxembourgish: Schlass Bierg, pronounced [ˈʃlɑs ˈbiːɐ̯ɕ]; French: Château de Berg; German: Schloss Berg) is the principal residence of the Grand Duke of Luxembourg. It is situated in the town of Colmar-Berg, in central Luxembourg, near the confluence of the Alzette and the Attert, two of Luxembourg's most important rivers.