This is the 4613th most frequent Dutch word.
donetsk
The word "donetsk" is not a Dutch word; it refers to a city in Ukraine.
In this sentence, 'Donetsk' is used as a proper noun to denote the name of a city.
Donetsk is een belangrijke stad in Oost-Oekraïne.
Donetsk is an important city in Eastern Ukraine.
Here, 'Donetsk' is still a proper noun, but now it's part of a sentence discussing circumstances or qualities associated with the place.
De situatie in Donetsk is complex en vereist aandacht.
The situation in Donetsk is complex and requires attention.
This usage of 'Donetsk' indicates possession, referring to something related to the city itself, achieved by adding the possessive 's'.