This is the 4646th most frequent Korean word.
개최한다고
"To host" or "to hold (an event)."
Here, '개최한다고' is used to indicate the official act of hosting or organizing an event. The sentence specifically refers to an announcement about a planned event.
한국은 내년에 세계 축구 대회를 개최한다고 발표했습니다.
Korea announced that it would host the World Soccer Championship next year.
In this sentence, '개최한다고' conveys the act of organizing an exhibition. It's used to inform about the school's planning of an event.
우리 학교는 이번 학기에 과학 전시회를 개최한다고 합니다.
Our school is said to be hosting a science exhibition this semester.
Here, '개최한다고' is used to state the intent of hosting an event by an authoritative group. It highlights the official nature of the hosting.