This is the 341st most frequent Korean word.
용산
Yongsan: A district in Seoul, South Korea.
Here, "용산" (Yongsan) is used as the name of a district in Seoul, referring to its geographic and cultural identity.
용산은 서울의 유명한 지역입니다.
Yongsan is a famous district in Seoul.
In this sentence, "용산" is used to indicate a location where an action (meeting a friend) took place.
저는 용산에서 친구와 만났습니다.
I met a friend in Yongsan.
Here, "용산" specifies a particular place associated with an electronic market, highlighting its characteristic feature.