This is the 18084th most frequent Korean word.
수원공항
Suwon Airport.
Here, '수원공항' refers to the proper noun indicating the airport situated near Suwon city.
수원공항은 경기도에 위치하고 있습니다.
Suwon Airport is located in Gyeonggi Province.
In this sentence, '수원공항' indicates the destination to which the bus is going.
수원공항으로 가는 버스는 몇 시에 출발해요?
What time does the bus to Suwon Airport depart?
Here, '수원공항' refers to the subject of the sentence, directly indicating the airport whose expansion is being discussed.