Kaifeng, referred to as "Bian" for short, formerly known as Bianzhou, Bianliang and Bianjing, is a prefecture level city under the jurisdiction of Henan Province and one of the central cities and cultural tourism cities in the core area of the Central Plains urban agglomeration approved by the State Council. The total area is 6266 square kilometers. As of 2018, the city has jurisdiction over 5 districts and 4 counties, with a built-up area of 151 square kilometers. According to the data of the seventh census, as of 0:00 on November 1, 2020, the permanent population of Kaifeng City is 4824016.

Kaifeng is located in central China, the east of Henan, the hinterland of the Central Plains, the bank of the Yellow River, and adjacent to Zhengzhou in the west. Kaifeng Free Trade Zone is one of the three major areas of China (Henan) Pilot Free Trade Zone. Henan Opera, the largest local drama in China, originated here. Kaifeng has 8 national 5A and 4A tourist attractions and 19 national key cultural relics protection sites. The Qingming Festival in Kaifeng, China and the Chrysanthemum Festival in Kaifeng, China attract many tourists from home and abroad.

Kaifeng is one of the first batch of national famous historical and cultural cities. It has a history of more than 4100 years. It has successively been the capital of the Xia Dynasty, the State of Wei in the Warring States Period, the Houliang, the Later Jin, the Later Han, the Later Zhou, the Song Dynasty, and the Jin Dynasty in the Five Dynasties Period. It is known as the "ancient capital of eight dynasties", and has bred a far-reaching "Song culture" that inherits the Han and Tang Dynasties and the Ming and Qing Dynasties. Kaifeng is a capital whose central axis has never changed. The ruins of Chengduicheng are rare in the world archaeological history and capital history. The capital city of the Song Dynasty was the largest city in the world at that time. It was the creation place of the picture of the river during the Qingming Festival.

In 2021, Kaifeng's GDP will reach 255.703 billion yuan, an increase of 7.2% over the same period of the previous year.