Harthausen (Haguenau-Harthausen) is a place, that after the Versailles Treaty belonged to France and was situated in the administrative region Bas-Rhin.
Harthausen (Haguenau-Harthausen) was formerly part of the German Empire. In the German Empire, the place was called Hardhausen (Hagenau-Hardhausen). The place is now called Harthouse (Haguenau-Harthouse) and belongs to France.