Beijing, abbreviated as Yanjing and Peiping, was the capital, municipality directly under the Central Government, national central city, megacity, national political center, cultural center, international exchange center and scientific and technological innovation center of People's Republic of China (PRC) in ancient times. It is the office of The Central Committee of the Communist Party of China (CCCPC), People's Republic of China (PRC), the Central People's Government and the National People's Congress.