This is the 1141st most frequent Russian word.
минска
"Минска" is the genitive case of "Минск," meaning "of Minsk," referring to the capital city of Belarus.
The word 'Минска' is used here in the genitive case to indicate the origin, as the preposition 'из' (from) requires the genitive case form.
Я родом из Минска.
I am from Minsk.
Here, 'Минска' is in the genitive case, indicating possession or association: 'the streets of Minsk' belongs to Minsk or are associated with Minsk.
Улицы Минска красивы летом.
The streets of Minsk are beautiful in summer.
In this sentence, 'Минска' is again used in the genitive case to modify 'на вокзале,' specifying the station located in Minsk.