This is the 9366th most frequent Polish word.
ursynowie
"Ursynowie" refers to Ursynów, a district in Warsaw, Poland.
Here, 'Ursynowie' is used as a proper name referring to a specific location, particularly a district in Warsaw.
Ursynowie to dzielnica Warszawy.
Ursynowie is a district of Warsaw.
This sentence demonstrates the usage of 'Ursynowie' again in the locative case, indicating the place where the subject was present.
Byłem w Ursynowie w zeszłym tygodniu.
I was in Ursynowie last week.
In this context, 'Ursynowie' acts as a locative case of the noun, specifying the location of a park.