Gernsheim is located southwest of Darmstadt in the German State of Hessen. From 1232 to 1802, Gernsheim was part of the Electorate of Mainz (Kurmainz). Names Gernsheim, Kr. Groß-Gerau, Hessen Surnames Lang (Volmer) Naust Pfeifer (Warenburg) Zorn (Volmer) 49.75, 8.483333