16 District: Dongcheng District, Xicheng District, Chaoyang District, Fengtai District, Shijingshan District, Haidian District, Shunyi District, Tongzhou District, Daxing District, Fangshan District, Mentougou District, Changping District, Pinggu District, Miyun District, Huairou District and Yanqing District.
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Beijing, referred to as "Beijing" for short, is the capital, municipality directly under the Central Government, national central city, megacity, international metropolis, national political center, cultural center, international exchange center and scientific and technological innovation center of People's Republic of China (PRC). The Central Committee of the Communist Party of China (CCCPC), People's Republic of China (PRC) Central People's Government, National People's Congress, Chinese People's Political Consultative Conference and China.
Beijing is located at east longitude115.7-17.4, north latitude 39.4-41.6, with its center at 39 54' 20 "north latitude and east longitude1/kloc-. Located in the northern part of North China Plain, adjacent to Bohai Bay, with Liaodong Peninsula on the top and Shandong Peninsula on the bottom.
References:
Baidu Encyclopedia-Beijing