This is the 922nd most frequent Serbian word.
градишту
The Serbian word "градишту" refers to a "town" or "fortified place."
Here, 'Градишту' is used in its locative case form to indicate the location related to the subject, which is 'Градиште'.
Идемо у Градишту на фестивал.
We're going to Gradište for the festival.
In this sentence, 'Градишту' again appears in the locative case, used to describe the location where the action took place.
Упознали смо пријатеље у Градишту.
We met friends in Gradište.
'Градишту' in this context remains in the locative case, specifying where the information was shared.