Kaifeng

Kaifeng is a prefecture-level city in east-central Henan province, China. It is one of the Eight Ancient Capitals of China, having been the capital eight times in history, and is best known for having been the Chinese capital during the Northern Song dynasty. As of the 2020 census, 4,824,016 people lived in Kaifeng's Prefecture, of whom 1,735,581 lived in the built-up (or metro) area made of Xiangfu, Longting, Shunhe Hui, Gulou and Yuwantai Districts. Located along the Yellow River's southern bank, it borders the provincial capital of Zhengzhou to the west, Xinxiang to the northwest, Shangqiu to the east, Zhoukou to the southeast, Xuchang to the southwest, and Heze of Shandong to the northeast. Kaifeng is also a major city in the world by scientific research outputs as tracked by the Nature Index. The city is home to a campus of Henan University, one of the national key universities in the Double First Class University Plan. Names The postal romanization for the city is "Kaifeng". Its official one-character abbreviation in Chinese is (Biàn). Historically it has also been known as: Dàliáng Biànliáng Biànzhōu Nánjīng, from its status as the Jurchen Jin's southern capital and not to be confused with modern-day Nanjing Dōngjīng Biànjīng