The residential community of Sienhachenbach lies between Idar-Oberstein and Lauterecken northeast of the Baumholder troop drilling ground.

Sienhachenbach also meets the municipality of Otzweiler at a single point in the northeast.

Also belonging to Sienhachenbach is the outlying homestead of Forsthaus Antestal.

[1] The municipality's arms might be described thus: Per bend vert in sinister a bend sinister wavy and in base a village fountain, both argent, and Or a lion rampant gules armed and langued azure.

The following are listed buildings or sites in Rhineland-Palatinate's Directory of Cultural Monuments:[5] In 1968, the community centre was dedicated.