This is the 17164th most frequent Korean word.
서대문구는
"서대문구는" translates to "Seodaemun District is" in English.
Here, '서대문구는' introduces Seodaemun-gu as the subject about which its characteristic, being a home to many universities, will be described.
서대문구는 유명 대학들이 많이 모여 있는 곳입니다.
Seodaemun-gu is a place where many renowned universities are located.
In this context, '서대문구는' emphasizes Seodaemun-gu in relation to its reputation for cultural activities, setting the context for the following statement.
서대문구는 다양한 문화적인 행사로 유명합니다.
Seodaemun-gu is famous for its various cultural events.
In this sentence, '서대문구는' is used as the topic of the sentence, indicating that the sentence is specifically discussing Seodaemun-gu.