Kaifeng (Chinese 開封 市 / 开封 市, pinyin Kaifeng Shì) is a prefecture-level city in China's Henan Province. Its administrative territory covers an area of ​​6247 and about 4.8 million inhabitants (end of 2004). Kaifeng is located on the Yellow River. Distance to Zhengzhou, the provincial capital, is about 70 kilometers. Kaifeng is one of the ancient capitals in Chinese history.