This is the 36th most frequent Croatian word.
gdje
"Where."
'Gdje' is used as a relative pronoun introducing a subordinate clause indicating location.
Ne znam gdje je ostavio torbu.
I don't know where he left the bag.
'Gdje' functions as a relative pronoun describing a place specified in the main clause.
Mjesto gdje se sastajemo je park.
The place where we meet is the park.
'Gdje' is used as an interrogative pronoun asking for a location.