This is the 7462nd most frequent Polish word.
korea
"Korea" in Polish refers to the country Korea, either South Korea or North Korea.
Here, 'Korea' is used in a geographical and political context, specifying a country.
Moja siostra mieszka w Korei Południowej.
My sister lives in South Korea.
In this sentence, 'Korea' refers to the cultural and historical aspects of the nation.
Interesują mnie tradycje i zwyczaje Korei.
I am interested in Korea's traditions and customs.
In this usage, 'Korea' is connected to the historical background and heritage of the country.