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Habsburg Castle (German: Schloss Habsburg) is a medieval fortress located in Habsburg, Switzerland, in the canton of Aargau, near the Aar River. At the time of its construction, the location was part of the Duchy of Swabia. Habsburg Castle is the originating seat of the House of Habsburg, which became one of the leading imperial and royal dynasties in Europe. It is listed as a Swiss heritage site of national significance.[1]

Habsburg Castle
Schloss Habsburg
Picswiss AG-24-05.jpg
Habsburg Castle
Habsburg Castle is located in Canton of Aargau
Habsburg Castle
Habsburg Castle
Habsburg Castle is located in Switzerland
Habsburg Castle
Habsburg Castle
Coordinates47°27′45.86″N 8°10′51.74″E / 47.4627389°N 8.1810389°E / 47.4627389; 8.1810389Coordinates: 47°27′45.86″N 8°10′51.74″E / 47.4627389°N 8.1810389°E / 47.4627389; 8.1810389
Typehill castle, summit location
Height505 m
Site information
ConditionWest part restored; east ruins
Site history
BuiltAround 1020/30 to 1300
The castle in 1250, seen from the north.
██ Built before 1100. 1600 in ruins.
██ Built between 1100 and 1250. 1600 in ruins.
██ Built before 1100. 1600 still standing.
██ Built between 1100 and 1250. 1600 still standing.
Except for the chapel, the green and orange colored buildings still exist today.
Ruins of former structures in foreground of existing buildings.


Around 1020–1030, Count Radbot, of the nearby county of Klettgau in the Duchy of Swabia, had the castle erected 35 km southwest of Klettgau, on the Aar, the largest tributary of the High Rhine. It is believed that he named the castle after a hawk (German: Habicht) seen sitting on its walls. Some historians and linguists believe the name may come from the Middle High German word hab/hap meaning ford, as it is located near a ford of the Aar River.

Radbot's grandson, Otto II, was the first to take the Habsburg Castle name as his own, adding "von Habsburg" to his title and creating the House of Habsburg.

Habsburg Castle's importance diminished after Radbot's seventh generation descendant Rudolph moved the family's power base to Austria in 1276. Habsburg Castle remained property of the House of Habsburg until 1415, when Duke Frederick IV of Austria lost the canton of Aargau to the Swiss Confederacy.

The original coat of arms to fly over Habsburg Castle, a red lion on a golden field, remained part of the Austrian arms up to the end of the imperial period. The modern arms of the municipality of Habsburg, Switzerland, depict Habsburg Castle.

The area around the castle was covered by forests that were only cleared around 1500, nearly half a millennium after Habsburg Castle was first constructed.

Today the "large" and "small" towers of the original castle are preserved, attached to a residential building of the 13th century, while large parts of the complex lie in ruins. The extent of its eastern part is recognizable only by foundation walls. The palatial residence hosts a restaurant and a small exhibition.


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