Department of the Prime Minister and Cabinet (Australia)
The Department of the Prime Minister and Cabinet (PM&C) is a department of the Australian Government with broad-ranging responsibilities, including but not limited to intergovernmental and whole-of-government policy coordination, and supporting the work of the prime minister and federal cabinet. PM&C was formed in 1971 and traces its origins to the original Prime Minister's Department, established in 1911.
Source: Wikipedia — Department of the Prime Minister and Cabinet (Australia) (CC BY-SA 4.0)