This is the 2813th most frequent Russian word.
сербии
"Сербии" means "Serbia" in the dative or prepositional case in Russian.
In this sentence, 'Сербии' is used in genitive case showing possession and location in Serbia.
Я собираюсь посетить исторические места в Сербии.
I plan to visit historical sites in Serbia.
Here, 'Сербии' is in the genitive case, denoting belonging or association pertaining to Serbia.
Жители Сербии известны своей гостеприимностью.
The residents of Serbia are known for their hospitality.
The word 'Сербии' is employed in the genitive case to indicate possession or attribution, describing the culture of Serbia.