This is the 53rd most frequent Lithuanian word.
vilniaus
"Vilniaus" means "of Vilnius," referring to something belonging to or related to Vilnius, the capital of Lithuania.
In this case, 'Vilniaus' denotes the affiliation, showing that the cathedral is associated with Vilnius.
Vilniaus katedra yra vienas garsiausių architektūros paminklų.
The Cathedral of Vilnius is one of the most famous architectural monuments.
Here, 'Vilniaus' is used to describe the residents as belonging to or originating from Vilnius.
Vilniaus gyventojai šventė miesto jubiliejų.
The residents of Vilnius celebrated the city's anniversary.
Here, 'Vilniaus' is a possessive form in genitive case, indicating ownership or association to Vilnius.