This is the 3960th most frequent Korean word.
울산은
"울산은" means "Ulsan is" or "As for Ulsan," referring to the city of Ulsan in South Korea, with the topic particle "은" attached.
Here, '울산은' serves as the topic of the sentence, introducing 'Ulsan' as the subject being described.
울산은 대한민국의 도시 중 하나입니다.
Ulsan is one of the cities in South Korea.
In this sentence, '울산은' indicates that 'Ulsan' is being highlighted for its notable qualities, acting as the thematic subject.
울산은 자동차와 조선업으로 유명합니다.
Ulsan is famous for its automobile and shipbuilding industries.
Here, '울산은' again sets 'Ulsan' as the topic, this time specifying its geographical position.