This is the 11931st most frequent Polish word.
kulturą
"Culture" (referring to customs, arts, social institutions, and achievements of a particular group).
In this sentence, the word "kulturą" is used in the instrumental case to refer to the domain or topic of cultural aspects Jan is interested in.
Jan interesuje się europejską kulturą.
Jan is interested in European culture.
Here, "kulturą" is utilized to describe the characteristics or type of culture encountered in interaction or living.
Spotkaliśmy się z kulturą przyjazną i otwartą.
We encountered a friendly and open culture.
The word "kulturą" in this sentence is again in the instrumental case, indicating the medium or entity with which experiences were shared.