This is the 4223rd most frequent Russian word.
харьковщине
The term "харьковщине" refers to something related to the Kharkiv region or area (often in a locative or contextual sense).
The word 'Харьковщине' here refers to the geographical area associated with Kharkiv, in the dative case form to indicate the location.
Я жил какое-то время на Харьковщине.
I lived for some time in the Kharkiv region.
In this sentence, 'Харьковщине' in the dative case signifies the area where the activity takes place, emphasizing its agricultural characteristic.
На Харьковщине выращивают много зерновых культур.
Many grain crops are grown in the Kharkiv region.
The use of 'Харьковщине' once again in the dative form suggests contextual relevance to the Kharkiv region, emphasizing its historical significance.