This is the 6274th most frequent Polish word.
bielsku
"Bielsku" is the locative form of "Bielsko," referring to the city of Bielsko-Biała in Poland or a place named Bielsko in a specific context.
In this sentence, 'bielsku' is the locative case of 'Bielsko', used to indicate the location where an action took place.
Byłem w Bielsku na wakacjach zeszłego lata.
I was in Bielsko last summer during vacation.
Here, 'bielsku' is again in the locative case, showing the topic of discussion was 'Bielsko'.
Rozmawialiśmy o Bielsku podczas naszego spotkania.
We talked about Bielsko during our meeting.
Once more, 'bielsku' represents the locative case, linking the subject to the location 'Bielsko' in the context of memory.