noun
southern annex; south building
Refers to a building or wing located on the south side of a complex, such as a hospital, school, or office.
病院の南館は新しく建てられた。
The hospital's south building was newly constructed.
南館の入り口は正面玄関の右側にある。
The entrance to the southern annex is on the right side of the main entrance.
Compound of 南 (south) and 館 (building, hall).