Sarrebourg (German: Saarburg, Lorraine Franconian: Saarbuerj) is a commune in the Moselle department in Lorraine in north-eastern France. It lies in on the upper course of the river Sarre.It should not be confused with Saarburg in Germany.In 1895 a Mithraeum was discovered at Sarrebourg at the mouth of the pass leading from the Vosges Mountains.