Benniehausen is a village in the Gemeinde Gleichen in southern Lower Saxony.
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The village of 349 residents (in 2010) is located in the Gartetal {valley} on the old trade route between Göttingen and Duderstadt, lying some eight kilometers south-west of the former city.
Gelliehausen is a nucleated village just south of Benniehausen in the Gemeinde Gleichen in southern Lower Saxony with a population of 452 (as of 12 December 2005).