This is the 349th most frequent Serbian word.
гдје
"Гдје" means "where" in English.
In this context, 'гдје' is used to ask about the location of a person.
Гдје си сада?
Where are you now?
Here, 'гдје' introduces a relative clause specifying the location of the activity.
Знам мјесто гдје можемо стојати.
I know a place where we can stand.
In this sentence, 'гдје' defines a specific characteristic of the destination the subject went to.