This is the 844th most frequent Azerbaijani word.
bakıya
"To Baku" (indicating direction towards the city of Baku).
Here, 'Bakıya' functions as the dative case form of 'Bakı', indicating the direction toward the city of Baku.
Sabah Bakıya gedəcəyəm.
Tomorrow, I will go to Baku.
In this sentence, 'Bakıya' conveys the destination of the action, as part of the phrase indicating moving to Baku.
Biz yayda Bakıya köçməyi planlaşdırırıq.
We plan to move to Baku in the summer.
Here, 'Bakıya' is used in the dative case to show the recipient location of the letters being sent.