Klingenberg near Dresden is not so effective like Klingenberg near Frankfurt. It is a little village, a church, some farms, some houses, a raylway station between Dresden and Freiberg, and some industries, but rising. This Klingenberg is famous by a big barrage/dam since 1914 at river Weisseritz coming from the mountains Erzgebirge (Klingenberg-Talsperre).
If you look at a card of Klingenberg-density in Germany (I've made such cards) then you will find that the concentration is in north-west of Germany. There in north you can also find a lot of geographical terms "Klingenberg", "Klingberg" or similar, this are street-names in towns or villages and hills.
But if you read in old genealogical books of nobility then you will find that Klingenberg comes from south and south-west of old Germany, Oberoesterreich, today Austria, and Thurgau, today Switzerland, and Schwaben (Swabia or Suevia), the area around the lake Constance (Bodensee).
I've collected all details I could find.
It is a castle "Burg Klingenberg" about 35 km west of Linz /Austria, today ruin. And it is a castle "Burg Klingenberg" in southern czech (Sued-Boehmen) about 125 km north of Linz. It is in Czech Republik now and called "Hrad Zvikov" at Vltava-river (Moldau) near Pisek. This is a wonderful castle.
The castles "Hohenklingen" with town "Stein am Rhein" in Switzerland and "Hohentwiel" near Singen in Schwaben were in 13th century in family estate of Klingenberg.
Result: There are two origins of Klingenberg-Name in Germany, north and south.
The today Saxony is not original a german country, it was conqered by Germans beginning in year 929. After conqeration was a settlement in 12th century into this new countries, and so came settlers from south-west-germany, among them the Klingenbergs.
If you search places with the name Klingenberg in Germany, there is, like you know, D-63911 Klingenberg (in Franken, near Aschaffenburg, Frankfurt), D-01738 Klingenberg (in Saxony, near Dresden), but also Klingenberg adjoining Heilbronn, which becomes in 1970 a part of town Heilbronn and therefore has no own adress now. else Klingenberg, D-25917 Enge-Sande, Post Langenhorn Klingenberg, D-84333 Malgersdorf, Eggenfelden Klingenberg, D-24601 Stolpe, bei Neumünster and many localities which have the syllables KLING... and ...BERG in the name (Klingberg, Klingelnberg) including street-names
When you find a street-name KLINGENBERG in Germany than it may be called also by a person named Klingenberg. For example Georg Klingenberg (not to my ancestors, it goes to the north). He was an engineer for power stations (coal to electricity), very famous, 1920 years, Kraftwerk Klingenberg in Berlin-Rummelsburg. There are streets and schools in and around Berlin called.
I have a wealth of information on my KLINGENBERG branch of the family, but I am not sure if you are even interested in it. I do hope what I have written here does catch your interest and I will be looking forward to your reply.