The Altenburg is a hill in the county of Schwalm-Eder-Kreis, Hesse, Germany. On its flat hilltop are the remains of a fairly large, fortified settlement from the Bronze Age and Iron Age.
Wikipedia https://en.wikipedia.org/wiki/Altenburg_(Niedenstein)
Address 34305, Germany
Coordinates 51°14'48.377" N 9°17'28.962" E
