Explore details about location Unterer Graben. Unterer Graben is a location situated within the Winterthur alongside other areas such as Ida-Sträuli-Strasse, Rössligasse, Rudolfstrasse. Additionally, some smaller parts of Unterer Graben include specific areas like St.-Georgen-Strasse, Kreuzstrasse, Holderplatz adding to the diversity of its landscape.