This is the 3655th most frequent Korean word.
북부
"북부" means "north" or "northern part."
Here, '북부' specifies the northern area of Seoul, indicating geography.
서울 북부 지역에서 눈이 많이 내립니다.
In the northern part of Seoul, there is a lot of snow.
In this sentence, '북부' is used to indicate the northern region of a larger country, the United States.
그녀는 미국 북부에서 유학을 했습니다.
She studied abroad in the northern United States.
'북부' in this example refers to the geography of a location, noted for its physical characteristics attracting tourists.