Henan

Henan is a province of the People's Republic of China. It is in the central eastern part of China. The name Henan means "south of the Yellow River." The capital of Henan is Zhengzhou.
Its major cities are Anyang, Hebi, Jiaozuo, Kaifeng, Luohe, Luoyang, Nanyang, Pingdingshan, Puyang, Sanmenxia, Shangqiu, Xinxiang, Xinyang, Xuchang, Zhengzhou, Zhoukou and Zhumadian.
Henan is now the province of China with the most people. 
The abbreviation of Henan is Yu (豫) to remember a kingdom from history yhat was in the area, and also because another province also has "He" (河) in its name, Hebei (河北).