N에서 — Place of action

에서 is added to the end of nouns to express the place at which some action or behavior occurs. It corresponds to 'at' or 'in' in English.

Details

When used before the verb 살다, the particles 에 and 에서 can both be used. There is very little difference in meaning.

저는 서울에 살아요. ✓

(Describes the state of living or existing in Seoul.)

저는 서울에서 살아요. ✓

(Emphasizes the act or behavior of living in Seoul.)

Comparison:

Used to indicate where an action occurs or to indicate a reference frame that is considered a point of origin.