The Hong Kong and Macao Work Office, concurrently known as the Hong Kong and Macao Affairs Office of the State Council (HMO), is an administrative office of the Central Committee of the Chinese Communist Party responsible for promoting cooperation and coordination of political, economic, and cultural ties between mainland China and the Chinese Special Administrative Regions of Hong Kong and Macau. It was formed in 2023 on the basis of then State Council's Hong Kong and Macao Affairs Office. Its head office is in Xicheng District, Beijing.