옷장에

in the closet

→ 옷장
phrase Rare #25,927
in the closet 에 marks a location or destination, so the phrase can also mean “into the closet” with verbs of movement or placement.
KO: 책을 옷장에 넣었어요.
EN: I put the book in the closet.

네 티셔츠 옷장에 있다

Yes, it’s in the closet.

— 음식남녀 (1994)