Prime Minister's Office (Australia)

The Prime Minister's Office (PMO), also known as the Office of the Prime Minister, is the personal office of the Prime Minister of Australia that provides political advice and executive support to the Prime Minister. The PMO is led by the Prime Minister's Chief of Staff and or Principal Private Secretary and is composed of ministerial advisers assisting with party politics, media relations, and political strategy.

Source: Wikipedia — Prime Minister's Office (Australia) (CC BY-SA 4.0)