This is the 12366th most frequent German word.
villingens
It seems "villingens" is not a standard German word, though "Villingen" is a place name in Germany. Could you clarify or check the spelling?
Here, 'Villingen' refers to the name of a city, used as a proper noun in the sentence.
Die Geschichte von Villingen ist faszinierend.
The history of Villingen is fascinating.
In this context, 'Villingens' indicates possession, showing that the streets belong to Villingen.
Ich habe viele Bilder von Villingens Straßen gemacht.
I have taken many pictures of Villingen's streets.
Here, 'Villingens Umgebung' specifies the surroundings belonging to Villingen, used in a possessive form.