Kaifeng City, abbreviated as "Bian", anciently known as Daliang, Qifeng, Bianzhou, Bianliang, Bianjing, Tokyo, is a prefecture-level city under the jurisdiction of Henan Province, the former capital of Henan Province, one of the central cities in the core area of China's Central Plains Urban Agglomeration as approved by the State Council, and a cultural tourism city. As of 2022, the city has 6 districts and 4 counties under its jurisdiction, with a total area of 6,239 square kilometers. As of the end of 2022, the resident population was 4,694,000 people, with an urban population of 2,512,700 people, and an urbanization rate of 53.53%. Kaifeng is located in central China, the eastern part of Henan Province, the hinterland of the Central Plains, and the shore of the Yellow River, and is adjacent to Zhengzhou in the west. Kaifeng Free Trade Zone is one of the three large zones of China (Henan) Pilot Free Trade Zone. China's first major local opera, Yu opera, originated here, and Kaifeng has 11 national 5A and 4A tourist attractions and 27 national key cultural relics protection units in 24 locations. China Kaifeng Qingming Cultural Festival and China Kaifeng Chrysanthemum Cultural Festival attract many tourists from home and abroad. Kaifeng is one of the first batch of national famous historical and cultural cities, which has more than 4100 years of history of founding cities and capitals, and has successively been the capital of Xia Dynasty, Wei Dynasty during the Warring States Period, Houliang, Houjin, Houhan and Houzhou during the Five Dynasties Period, Song Dynasty, Jin Dynasty and so on, which is known as "Ancient Capitals of the Eight Dynasties", and has nurtured the "Song Culture" which is far-reaching, which is inherited from Han and Tang Dynasties, and inspired by Ming and Qing Dynasties, with far-reaching influence. "Song culture". Since the Song Dynasty, successive dynasties have made Kaifeng the regional political, economic and cultural center of northern China. Kaifeng is the only capital city in the world where the city's central axis has never changed, and the ruins of the city stacked on top of each other are rare in the world's archaeological history and the history of capital cities. Tokyo City, the capital of the Song Dynasty, was the world's largest city at the time and was the site of the creation of the Qingming Riverside Drawing. In 2022, Kaifeng's gross regional product was 265.711 billion yuan, an increase of 4.3% over the previous year.