This is the 4349th most frequent Turkish word.
vakıfbank
"VakıfBank" is the name of a Turkish bank, translating to "Foundation Bank."
The word 'VakıfBank' is used as a proper noun to refer to the established name of a banking institution.
VakıfBank, Türkiye'nin büyük bir bankasıdır.
VakıfBank is a large bank in Turkey.
Here, 'VakıfBank' specifies the location or institution where the action is intended.
VakıfBank'ta bir hesap açmayı düşünüyorum.
I am thinking of opening an account at VakıfBank.
In this sentence, 'VakıfBank' is used to name the workplace associated with the activity of working.