Heppenheim (Bergstraße) is the seat of Bergstraße district in Hesse, Germany, lying on the Bergstraße on the edge of the Odenwald. Geography Location The town is romantically set on gentle vineyards below the mediaeval Starkenburg (castle). Defining for the townscape, besides the castle, is St. Peter, the “Cathedral of the Bergstraße” as the big Catholic church is known locally; it was consecrated on 1 August 1904, and isn't a bishop’s seat. Heppenheim… (More on Heppenheim)