Heinzenberg lies in the depths of the Kellenbach valley in the southern Hunsrück, roughly 4 km from the place where that brook empties into the Nahe.

Clockwise from the north, Heinzenberg's neighbours are the municipalities of Hennweiler, Brauweiler, Hochstetten-Dhaun and Oberhausen bei Kirn, all of which likewise lie within the Bad Kreuznach district.

[3] Prehistoric barrows and traces of a Roman presence bear witness to an early settlement history on the small patch of ground on which Heinzenberg now lies.

Some inhabitants, such as the Lords of Heinzenberg, played quite an important part in the region’s history as vassals of the Counts of Veldenz and the Waldgraves, and also as ministeriales of the Archbishops of Mainz and Trier.

There they were tasked as Vögte by their overlords with the exercise of jurisdiction, the setting and collection of taxes and other levies from the subjects and the military protection of the populace and the church.

Shortly before 1400, the lordly House of Heinzenberg died out, and their holdings were then inherited by the Knights of Wartenstein, who lived above the Hahnenbach valley.

The charge on the dexter (armsbearer's right, viewer's left) side refers to the Lordship of Wartenstein, an Electoral-Trier fief to the House of Warsberg.

The other charge, on the sinister (armsbearer's left, viewer's right) side, is the heraldic device once borne by the Lords of Heinzenberg, a buckle.

After consent by the state archive, the Ministry of the Interior in Mainz granted approval for Heinzenberg to bear its own arms on 29 June 1966.