secretariate

Noun

secretariat (plural secretariats)

1. The office or department of a government secretary.
2. A kind of dicastery within the Roman Curia.
3. (chiefly non-native speakers' English) A subdivision within an organisation or a company that deals with office management and/or administrative tasks such as handling correspondence and telephone calls, scheduling appointments, administering invoices, etc., often attached to specific executives or specific departments