This is the 16523rd most frequent Polish word.
wileńskiej
"Wileńskiej" means "of or related to Vilnius" in English.
Here, 'wileńskiej' functions as an adjective, describing the district related to Vilnius.
Mieszkańcy wileńskiej dzielnicy cieszą się spokojem.
The residents of the Vilnius district enjoy peace.
In this sentence, 'wileńskiej' is an adjective describing the cathedral, indicating its location or origin as associated with Vilnius.
Styl architektoniczny wileńskiej katedry jest imponujący.
The architectural style of the Vilnius cathedral is impressive.
Here, 'wileńskiej' describes the art, indicating its origin or association with Vilnius.