This is the 9673rd most frequent Russian word.
череповец
"Череповец" is a city in Russia.
In this sentence, 'череповец' is used as a proper noun, specifically the name of a city.
Череповец - это город в России.
Cherepovets is a city in Russia.
In this sentence, 'череповце' is the locative form of the city name, indicating 'in Cherepovets'.
Я вырос в Череповце и часто вспоминаю детство.
I grew up in Cherepovets and often remember my childhood.
Here, 'череповце' also serves as the locative form, describing where the enterprises are located.