서울이 · 서울을 · 서울역
Seoul (capital of South Korea)
Example
서울에는 사람이 정말 많아요.
There are really a lot of people in Seoul.
Word parts
Native word that originally meant 'capital' — unlike most Korean place names, it has no hanja.
Good to know
Two syllables: 서-울 [suh-ool], not 'soul'.