noun
Refers to the division or section within a company responsible for sales activities.
彼は営業部に所属しています。
He belongs to the sales department.
営業部の会議は午後2時からです。
The sales department meeting is from 2 p.m.
販売部 can also mean 'sales department', but 営業部 is more common and often implies a broader scope including customer relations and business development.
Compound of 営業 (business, sales) + 部 (department, division).