This is the 8751st most frequent Russian word.
пинске
"Пинске" is the prepositional case of "Пинск," referring to "in Pinsk," a city in Belarus.
In this sentence, 'Пинске' is the locative case form of the proper noun 'Пинск,' indicating a location where the subject resides.
Я живу в Пинске.
I live in Pinsk.
Here, 'Пинске' is a standard nominative form of the proper noun, used in a context to describe a topic (Pinsk's history).
История о Пинске очень интересна.
The history about Pinsk is very interesting.
In this example, 'Пинске' is a locative form where it indicates the location that is being considered a cultural center.