Here's the answer:
“체육관은 바로 여기에 있어요”
Watch a real native speaker say it:
Here's how it sounds in a textbook:
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 92.63% of the time!
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 92.63% of the time!