This is the 658th most frequent Korean word.
울산
Ulsan: A city in South Korea.
In this sentence, '울산' is used as a noun referring to the name of a specific city.
울산은 대한민국의 동남부에 위치한 도시입니다.
Ulsan is a city located in the southeastern part of South Korea.
Here, '울산' represents the location where the mentioned attraction can be found.
울산에서 유명한 것 중 하나는 현대자동차 공장입니다.
One of the famous attractions in Ulsan is the Hyundai Motor Factory.
In this case, '울산' is the destination of the planned visit.