This is the 12504th most frequent Korean word.
대구공항에서는
"At Daegu Airport"
Here, '대구공항에서는' specifies the location (Daegu Airport) and acts as the subject of the sentence.
대구공항에서는 국내선과 국제선을 둘 다 운행합니다.
At Daegu Airport, both domestic and international flights operate.
In this sentence, '대구공항에서는' provides the spatial standpoint or starting point to describe distances to surrounding attractions.
대구공항에서는 주변 관광지가 멀지 않습니다.
From Daegu Airport, nearby tourist attractions are not far.
This use of '대구공항에서는' identifies Daegu Airport as the context for the statement about available facilities.