According to Baidu Encyclopedia, Central China, referred to as Central China for short, is one of the seven geographical divisions of China, including Henan, Hubei and Hunan provinces (from north to south), and Puyang, which was called Diqiu, Kaizhou, Yizhou, Dong Jun and Chuqiu in ancient times, is a prefecture-level city under the jurisdiction of Henan Province, located in the northeast of Henan Province, at the junction of Hebei, Shandong and Henan provinces in the lower reaches of the Yellow River, and in the east. To sum up, Puyang belongs to Central China.
North China, referred to as North China for short, is one of China's geographical divisions, bordering the border between China and Mongolia in the north, the Huaihe River in the Qinling Mountains in the south, the Bohai Sea and the Yellow Sea in the east and the Qinghai-Tibet Plateau in the west, including Beijing, Tianjin, Hebei, Shanxi and Inner Mongolia Autonomous Region. It is the political, economic and cultural center and the main grain production base of China.