This is the 9089th most frequent Polish word.
studzienicach
"Studzienicach" is the locative case of "Studzienice," a place name in Poland. It means "in Studzienice."
The word 'Studzienicach' in this sentence is in the locative case, correctly used to denote a state or condition at a specific location.
Podoba mi się spokój w Studzienicach.
I like the calmness in Studzienice.
Here, 'Studzienicach' is the locative case of 'Studzienice', indicating a location where the grandparents live.
W Studzienicach mieszkają moi dziadkowie.
My grandparents live in Studzienice.
In this sentence, 'Studzienicach' is incorrectly used in the dative form instead of the locative case required after 'do' ('do Studzienic').