- river flowing from the Vosges Mountains, NE France, north into the Moselle River, SW Germany: c. 150 mi (241 km)
- rich coal-mining region in the valley of this river: administered by France (1919-35) & Germany (1935-47) until set up as an autonomous government having a customs union with France (1947-57)also Saar Basin
- A river, about 245 km (150 mi) long, rising in northeast France and flowing north and north-northwest to the Moselle River in western Germany. The river's valley, also known as the Saar Basin, is a highly industrialized region.
- See Saarland.