Robertsau (Strasbourg-Robertsau) is a place, that after the Versailles Treaty belonged to France and was situated in the administrative region Bas-Rhin.
Robertsau (Strasbourg-Robertsau) was formerly part of the German Empire. In the German Empire, the place was called Ruprechtsau (Straßburg-Ruprechtsau). The place is now called La Robertsau (Strasbourg-La Robertsau) and belongs to France.