This is the 10182nd most frequent Korean word.
관악구
Gwanak-gu: A district in Seoul, South Korea.
In this sentence, '관악구' is used as the proper noun referring to a specific geographical and administrative region in Seoul.
관악구는 서울특별시에 위치한 행정구역입니다.
Gwanak District is an administrative division located in Seoul Special City.
In this sentence, '관악구' indicates the location where the action of exercising occurs, which is the Gwanak District.
나는 관악구에서 자주 운동을 합니다.
I often exercise in Gwanak District.
Here, '관악구' is referencing the district as a whole entity, emphasizing its characteristics or features.