This is the 8694th most frequent Polish word.
ratuszowej
"Ratuszowej" means "of the town hall" or "town hall's" in English.
The word 'ratuszowej' is used here as an adjective modifying 'ulicy' to indicate the name of the street.
Spotkaliśmy się na ulicy ratuszowej.
We met on Ratuszowa Street.
In this sentence, 'ratuszowej' serves as an adjective describing 'aury' (aura) to convey the characteristic related to a town hall.
To jest historia pewnej aury ratuszowej.
This is a story of a certain town hall aura.
Here, 'ratuszowej' describes the 'debaty' (debate), signifying that the debate is associated with the town hall.