 The municipal area measures 381 ha, of which roughly 10 ha is settled and 46 ha is wooded.Relsberg borders in the north on the municipality of Reipoltskirchen, in the northeast on the municipality of Hefersweiler, in the south on the municipality of Niederkirchen, in the southwest on the town of Wolfstein and in the west on the municipality of Einöllen.The greater part of the village lies on the road that leads from Wolfstein to Hefersweiler, although there is a notable concentration of population on the way into the village from the southwest as one enters the built-up area.