Membership or affiliation with an organization or group; being attached to or under the authority of a department, unit, or organization.
彼の所属部署は営業部だ。
He belongs to the sales department.
所属団体の規則に従って行動してください。
Please act in accordance with the rules of your affiliated organization.
彼女は大学のサークルに所属している。
She is a member of a university club.