 The municipal area measures 811 ha, of which roughly 36 ha is settled and 105 ha is wooded.Nußbach borders in the north on the municipality of Waldgrehweiler, in the northeast on the municipality of Bisterschied, in the east on the municipality of Teschenmoschel, in the southeast on the municipality of Rathskirchen, in the south on the municipality of Hefersweiler, in the southwest on the municipality of Reipoltskirchen and in the northwest on the municipality of Becherbach.Nußbach is a clump village lying on a broadening of the dale in the area of the so-called Dorfbach (“Village Brook”), which flows by from the Roßberg (“Steed Mountain”) and here empties into the Nußbach.