This is the 7357th most frequent Polish word.
kaukazu
"Kaukazu" is the genitive form of "Kaukaz," which refers to the Caucasus region.
Here, 'Kaukazu' is used in the genitive case to denote the location (the mountains of the Caucasus).
Byłem w górach Kaukazu.
I was in the mountains of the Caucasus.
In this example, 'Kaukazu' is again used in the genitive case to indicate origin.
Przywiozłem tradycyjne przyprawy z Kaukazu.
I brought traditional spices from the Caucasus.
In this sentence, 'Kaukazu' is employed in the locative case following the preposition 'o,' which implies discussion about the region.