Elnhausen is a borough (Ortsbezirk) of Marburg in Hesse.Hauptsatzung der Universitätsstadt Marburg, § 3, 27 November 2021.
First documents date back to 1234. Back then the village was probably called Ellenhusen.
The village is divided into the old part with the castle, the church, farms and a newer part with several development areas.
References
External links https://www.marburg.de/elnhausen