This is the 14th most frequent Turkish word.
yer
"Yer" means "place," "ground," or "floor" in English.
Here 'yer' refers to 'location' or 'place'.
Bu restoranın yeri çok merkezi.
The location of this restaurant is very central.
In this context, 'yer' means 'space' or 'room'.
Bu masada yer yok.
There is no space at this table.
In this sentence, 'yer' is part of 'yerine', meaning 'instead of'.