This is the 17255th most frequent Korean word.
서초구에
"Seochogu-e" means "in Seochogu," referring to the Seochogu district in Seoul, South Korea.
Here, '서초구에' indicates a general location where the mentioned entities (companies) are situated.
서초구에는 여러 회사가 위치하고 있습니다.
Seocho-gu has several companies located within.
In this context, '서초구에' specifies the location where I reside.
저는 서초구에 살고 있습니다.
I live in Seocho-gu.
'서초구에' in this sentence denotes the geographical area within which the cafe is located.