This is the 42nd most frequent Slovenian word.
sloveniji
"Sloveniji" is the locative or dative case of "Slovenija," meaning "Slovenia" in English.
Here, 'Sloveniji' is used as the locative case of the word 'Slovenija', indicating the location where someone lives.
Živim v Sloveniji.
I live in Slovenia.
In this sentence, 'Sloveniji' is in the genitive case as part of the noun complement to express possession or relation (history of Slovenia).
Študiram zgodovino Slovenije.
I study the history of Slovenia.
Here, 'Sloveniji' is in the locative case, used to indicate the place over which the action of traveling occurs.