This is the 5612th most frequent Polish word.
warszawskiego
"Warszawskiego" means "of Warsaw" or "related to Warsaw" in English.
Here, 'warszawskiego' is an adjective in the genitive case agreeing with 'Uniwersytetu' to indicate possession or association with 'Warsaw.'
Biblioteka Uniwersytetu Warszawskiego posiada wiele cennych książek.
The Library of the University of Warsaw contains many valuable books.
In this sentence, 'warszawskiego' modifies 'Zamku Królewskiego,' again in genitive form, to show the connection to Warsaw.
Park warszawskiego Zamku Królewskiego jest pięknie utrzymany.
The park of Warsaw's Royal Castle is beautifully maintained.
Here, 'warszawskiego' describes 'portu' in the genitive case, specifying that the port is located in Warsaw.