The Palace Garden surrounds Brunszvik Palace with mature trees, paths, lawns, and views back to the white neo-Gothic facade. It is the part of Martonvásár that makes the Beethoven connection feel physical: you are not just reading about a famous visitor, but walking the estate that shaped the family story.
It is not a grand imperial garden, and that is part of its appeal. Allow time to wander after the museum, especially in spring or early autumn.