Nanzdietschweiler lies in the upper Glan valley where the Landstuhler Bruch (a depression) meets the North Palatine Uplands.

The centre called Dietschweiler is concentrated mainly in the area between the Ochsenbach and the Lützelbach, where it is characterized to a great extent by old farmhouses, these being either Einfirsthäuser (houses with a single roof ridge, which are typical of the Westrich, an historic region that encompasses areas in both Germany and France) or Quereinhäuser (combination residential and commercial houses divided for these two purposes down the middle, perpendicularly to the street).

The older part of Nanzweiler lies on the Glan, whereas the settled area in the Atzeltal (dale) mostly arose only after the Second World War.

In the upper part of the village between the Atzelbach and the Glan stands Sacred Heart Catholic Church (Herz-Jesu-Kirche) with its rectory and youth hall.

Particular attention is earned by the relief of a saddled horse on the far side of the matronal stone, which might have stood in a temple.”[7] The villages of Nanzweiler and Dietschweiler arose in the Free Imperial Domain (Reichsland) when this stretched broadly over what is now the West Palatinate.

Laid down as the border of the monasterial landhold in the Münchweiler Tal was the river Glan in the area of what is now the village of Nanzdietschweiler.

Throughout this period in history, the villages each side of the Glan, which then even bore the same names, were set asunder by this border.

Both villages on the right bank then remained with Electoral Palatinate, thereby sharing a history with the region around Kaiserslautern, generally known as the Reichswald (“Imperial Forest”).

On the same day, however, the agreement seems to have been amended to include this mountain, even mentioning it specifically, and accordingly the monetary amount involved was raised to 480 Rhenish guilders.

Less than a month later, on 12 April 1383, another record mentions several people, including three from Nanzweiler (Henne von Nancwilr, Clas von Nancwilr and Henne, Angnesen Sohn) who had sworn an oath of obeisance to Sir Bechtolff, Castle Count at Lutern (Kaiserslautern), Squire Philips and their heirs.

So many new settlers came, though, and the population grew so quickly that by the mid 18th century, some inhabitants were leaving, emigrating to places such as Eastern and Southern Europe, and even the New World seeking a new homeland.

From very late feudal times (1788) comes the following report about the part of the municipality later known as Nanzdiezweiler: “Diez- and Nanzweiler are actually two doubled little villages or hamlets.

[10][11] After a transitional period, the Congress of Vienna established the Baierischer Rheinkreis, later known as the Rheinpfalz (Rhenish Palatinate), a newly formed exclave of the Kingdom of Bavaria.

Administrative structures changed again after the First World War when the Treaty of Versailles stipulated, among other things, that Homburg had to be ceded to the British- and French-occupied Saar.

This success, however, was not repeated in nearby Nanzweiler, where the respective figures were 2.4%, 19.9% and 18.75% with a hefty 75% majority there going to the Centre Party in 1933, which was also the runner-up in Dietschweiler (36.7%).

Until this time, Nanzdietschweiler's first documentary mention had been thought to date from 1383, but this new discovery pushed the municipality's written history back by 33 years.

Besides farmers, there were the craftsmen that were customary in a bigger village who only worked the land as a secondary occupation, or for their own needs.

Since farming nowadays, even with roughly the same land area that it has always had, cannot offer very many people jobs, many workers must now commute to Kaiserslautern, Homburg, Waldmohr, Kusel and elsewhere.

In the time of the Reformation, inhabitants of all these centres that now make up Nanzdietschweiler by lordly decree had to convert to Martin Luther’s teaching.

The charge on the sinister (armsbearer's left, viewer's right) side is drawn from the arms once borne by Electoral Palatinate, which was once Nanzdiezweiler's overlord.

The silver endorse (a slim variant of a pale) on the dexter (armsbearer's right, viewer's left) side refers to the Counts of Leyen, to whom Dietschweiler and Nanzweiler once belonged.

The wavy pale symbolizes the river Glan, which links the formerly self-administering municipalities, but which for centuries was a border that sundered the villages that now make up Nanzdietschweiler.

The Ortsteil of Nanzdiezweiler bears its own arms that might be described thus: Per fess bendy lozengy argent and azure, and per pale Or and sable a half waterwheel counterchanged.

The following are listed buildings or sites in Rhineland-Palatinate’s Directory of Cultural Monuments:[22] An impressive nature conservation area is the Heimer Brühl, an 8.5 ha wetland in the Glan valley south of the village with many noteworthy ornithological and botanical features, which also, in times of flood, serves as a retention basin.

The thirty agricultural operations that still existed here as late as 1980 have greatly shrunk in number, even if the area of farmland being worked has stayed about the same.

A request from Catholic parents to establish a denominational school was turned down by the Landkommissariat of Homburg (a Bavarian subnational entity).

The introduction of the eighth grade level and the trend towards smaller classes brought the building of a new, two-classroom school that much nearer.

In 1823, the citizens put forth the proposal to build a common schoolhouse for Protestant and Catholic schoolchildren, and by the following year, the project had been realized.

Since classes in Nanzweiler were also attended by schoolchildren from neighbouring villages, the single classroom became too small, for a time even housing 100 pupils.

In the time after the Second World War, parents were once again pressing for denominational schooling, and so in Nanzweiler there was one class each for Protestant and Catholic schoolchildren.