This is the 2865th most frequent Turkish word.
hastanesi
"Hospital" (possessive form: "his/her/its hospital").
In this sentence, 'hastane' (hospital) is used in its base form to indicate a general concept or subject.
Bu mahallede büyük bir hastane var.
There is a big hospital in this neighborhood.
Here, 'hastane' is in its ablative form 'hastaneden', indicating movement away from the hospital.
Annem hastaneden yeni çıkmış.
My mother has just been discharged from the hospital.
In this sentence, 'hastane' appears in its genitive form 'hastanenin', showing a possessive relationship, meaning 'of this hospital'.