Bas-Rhin
Bas-Rhin () is a department in Alsace which is a part of the Grand Est region of France. The name means 'Lower Rhine', referring to its lower altitude among the two French Rhine departments: it is downstream of the Haut-Rhin (Upper Rhine) de ...
Grand Est
Grand Est (; ) is an Regions of France, administrative region in northeastern France. It superseded three former administrative regions, Alsace, Champagne-Ardenne and Lorraine, on 1 January 2016 under the provisional name of Alsace-Champagne-A ...
in northeastern
France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
.
The localities of ''Bischtroff-sur-Sarre'' and ''Zollingen'' are incorporated in the commune since 1972. It gave its name to the medieval
County of Saarwerden
The County of Saarwerden (; ) was a county located in Lorraine (region), Lorraine, within the Holy Roman Empire. As a second-level fief, it belonged to its local ruler and not to the emperor. Its capital was in (situated on the right side of the ...