This is the 5819th most frequent Korean word.
부산세계박람회
"Busan World Expo"
Used as the subject of the sentence to identify the event taking place and its name.
2023년에 부산세계박람회가 개최됩니다.
In 2023, the Busan World Expo will be held.
Used as the object of the verb '방문하다' (to visit) describing the action directed towards the event.
부산세계박람회를 방문하려면 준비가 필요합니다.
You need preparation to visit the Busan World Expo.
Used as the indication of the event location or context, shown by the postposition '에' (at, in).