This is the 1005th most frequent Korean word.
병원
Hospital.
In this sentence, '병원' refers to the physical healthcare facility that the speaker visited.
나는 병원에 갔다.
I went to the hospital.
Here, '병원' indicates the location, emphasizing that the meeting with the doctor took place in the hospital.
병원에서 의사를 만났다.
I met a doctor at the hospital.
In this context, '병원' is used to describe the institution where the mom is staying for medical treatment.