This is the 8028th most frequent Russian word.
краснокаменск
Krasnokamensk is a town in Russia.
Here, 'Краснокаменск' is used as a proper noun, being the name of a specific town.
Краснокаменск - небольшой город в Забайкальском крае.
Krasnokamensk is a small town in the Zabaykalsky Krai.
Here, 'Краснокаменске' is in the locative case, referring to being in the town.
Я был в Краснокаменске в прошлом году.
I was in Krasnokamensk last year.
Here, 'Краснокаменска' is in the genitive case, showing possession or association with the residents.