This is the 6246th most frequent German word.
dillenburg
"Dillenburg" is not a common word in German; it is the name of a town in Hesse, Germany.
The word 'Dillenburg' is used as the proper noun referring to the specific town in Germany.
Dillenburg ist eine malerische Stadt in Hessen.
Dillenburg is a picturesque town in Hesse.
Here, 'Dillenburg' is used in a locative sense, indicating the place where the event occurred.
Ich habe in Dillenburg viele Freunde gefunden.
I found many friends in Dillenburg.
In this sentence, 'Dillenburger' is an adjectival form derived from 'Dillenburg', describing something related to the town.