This is the 1213th most frequent Polish word.
korei
"korei" is not a standalone word in Polish. It could be related to "Korei," meaning "of Korea" in specific contexts.
Here, 'korei' is used to indicate a location, specifically South Korea, by stating 'W Korei' which means 'in Korea.'
W Korei Południowej kultura jest bardzo interesująca.
The culture in South Korea is very interesting.
In this sentence, 'korei' is part of the phrase 'W Korei,' functioning as a prepositional phrase to describe the location of the event.
W Korei trwa obecnie festiwal muzyczny.
A music festival is currently taking place in Korea.
Here, 'korei' is in the genitive case due to the preposition 'do,' indicating direction or motion towards Korea.