department, section, division
その資料はこの部署にはありません。
That document isn't in this department.
問題の原因は部署間のコミュニケーションの欠如にある。
The root cause of the problem is a lack of communication between departments.
部署は?
What department are you in?
— 善き人のためのソナタ (2006)
どちらの部署なんですか?
Which department are you in?