When to use playground in Korean
Korean: 운동장[ un-dong-jang ]

When to use it
A playground is an outdoor place where children play, run, and have fun. At school, it can mean the open area where students play sports or spend break time. In Korean, 운동장 often means the school yard or field.
Example sentences
학교 운동장에서 축구해요.
We play soccer on the school playground.
아이들이 운동장에서 뛰어요.
The children are running in the playground.
쉬는 시간에 운동장에 가요.
We go to the playground at break time.
동네 운동장에서 농구해요.
We play basketball at the neighborhood playground.
비가 와서 오늘은 운동장에 못 가요.
It is raining, so we can't go to the playground today.
운동장 옆에서 친구를 만났어요.
I met my friend next to the playground.