This is the 10110th most frequent Korean word.
과천
Gwacheon: A city located in Gyeonggi Province, South Korea.
In this sentence, '과천에' is used to indicate the destination of the speaker's planned visit, utilizing the locative particle '-에'.
저는 이번 주말에 과천에 갈 예정이에요.
I plan to go to Gwacheon this weekend.
Here, '과천' is used as the subject of the sentence, describing it as a quiet city.
과천은 서울 근처의 조용한 도시입니다.
Gwacheon is a quiet city near Seoul.
In this instance, '과천에서' uses the source locative particle '-에서' to specify where the festival is being held.