Wasserbillign lies at the confluence of the rivers Moselle and Sauer, which
form the border with Germany at the town. On the opposite side of the Moselle
and linked by a ferry lies Oberbillig, Germany; on the opposite side of the
Sauer and linked by vehicle and rail bridges lies Wasserbilligerbrück, Germany.
Wasserbillig is the lowest settlement in Luxembourg, at 132 m above sea
level