This is the 5411th most frequent Turkish word.
kulübünde
"In his/her/its club."
'Kulübünde' functions as a locative noun indicating the place where Ali participates.
Ali her hafta futbol kulübünde antrenmana katılır.
Ali attends practice every week in the football club.
'Kulübünde' here denotes the environment of the school club where the action of making friends occurs.
Okul kulübünde birçok yeni arkadaş edindim.
I made many new friends in the school club.
'Kulübünde' is used to describe the location within the camping club where the events are held.