This is the 5435th most frequent Korean word.
루마니아
Romania.
Here, '루마니아' is used as a proper noun describing the name of a country, Romania, serving as the subject in the sentence.
루마니아는 유럽에 위치한 나라입니다.
Romania is a country located in Europe.
In this instance, '루마니아' is used as a proper noun functioning as the direct object of the sentence, indicating the destination of travel.
나는 여름 방학 동안 루마니아를 여행하고 싶어요.
I want to travel to Romania during summer vacation.
Here, '루마니아' functions as an adjective modifying '사람들' (people), referring to the people of Romania.