Hessengau is an historical region of modern-day

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

located between Beverungen and Marburg in the north and Bad Hersfeld to the south.Georg Landau, ''Die Territorien in Bezug auf ihre Bildung und ihre Entwicklung.'' Perthes, Hamburg und Gotha: 1854
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References

Historical regions in Germany {{Germany-hist-stub