中南海

Etymology
, both are names of lakes in Beijing.

Proper noun

 * 1) Zhongnanhai, a complex of buildings in Xicheng district, Beijing, China, adjacent to Tiananmen Square, which serves as the central headquarters for the Communist Party of China and the government of the People's Republic of China
 * 2)  The central headquarters for the Communist Party of China, or the government of the People's Republic of China