Bas-Rhin (French pronunciation: [bɑ.ʁɛ̃]; Alsatian: Unterelsàss, ‘s Unterlànd or ‘s Ingerlànd; traditional German: Niederrhein; English: Lower Rhine) is a department in the Grand Est region of France, named after the Rhine river that flows along its eastern border. The prefecture (capital) of Bas-Rhin is Strasbourg.