🇨🇳 Kaifeng (开封) 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 seven times in history. Kaifeng's built-up (or metro) area is 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 north-west, Shangqiu to the east, Zhoukou to the south-east, Xuchang to the south-west, 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 Project 211.
Kaifeng has a population of over 1,652,000 people. Kaifeng also forms the centre of the wider Kaifeng prefecture which has a population of over 4,465,000 people.