This is the 6350th most frequent Polish word.
brzesko
"Brzesko" is a town in southern Poland.
In this sentence, 'Brzesko' is a proper noun, specifically the name of a town, demonstrating its usage as a geographical location.
Brzesko to malownicze miasteczko w Polsce.
Brzesko is a picturesque town in Poland.
Here, 'Brzesko' is again a proper noun referring to the town, used in the context of a journey.
Podróż z Krakowa do Brzeska trwa około godziny.
The journey from Kraków to Brzesko takes about an hour.
In this instance, 'Brzesko' specifies the locality being discussed, illustrating its use in queries about regional specifics.