Xuzhou City, abbreviated as "Xu" and known as Pengcheng in ancient times, is a prefecture-level city under the jurisdiction of Jiangsu Province, a provincial sub-center city, a national famous historical and cultural city, a national comprehensive transportation hub and a center city of Huaihai Economic Zone as approved by the State Council. As of 2023, Xuzhou City has 5 municipal districts, 3 counties and 2 county-level cities under its jurisdiction, with a total area of 11,765 square kilometers and a resident population of 9,018,500. Xuzhou is located in the southeast of North China Plain and northwest of Jiangsu Province, where the Beijing-Hangzhou Grand Canal passes through, and the Longhai Railway and Beijing-Shanghai Railway intersect, which is known as the "thoroughfare of five provinces". Xuzhou is an important gateway city in East China, an important center of economy, science and education, culture, finance, medical care and foreign trade in East China, an important node city of the national "Belt and Road", a national innovation demonstration zone of sustainable development agenda, a vice-center city of the northern wing of the Yangtze River Delta, and the core city of Xuzhou metropolitan circle, and the "Capital of China Construction Machinery". "Xuzhou is also known as the capital of construction machinery in China. At the end of primitive society, Pengzu built the state of Dapeng Clan in the time of Emperor Yao, which was the first city to appear in the territory of Jiangsu. Historically, Xuzhou was one of the nine states of China. Since ancient times, it has been the key to the north, the gateway to the south, the place where soldiers and merchants had to fight and the center of commerce and industry, and also the political, economic and cultural center of the Huaihai region. Xuzhou has a civilization history of more than 6,000 years and a city history of 2,600 years, and it is the hometown of emperors and kings, and it is said that "the emperors and kings of nine dynasties are from Xuzhou". Xuzhou is the birthplace of the culture of the two Han dynasties, known as "the hometown of Peng Zu, the hometown of Liu Bang, the hometown of Xiang Yu", and is also known as the "Athens of the East" because of its large number of cultural heritages, scenic spots and deep historical heritage. Xuzhou has a temperate monsoon climate with four distinct seasons, and is a scenic tourist city with Yunlong Lake, Yunlong Mountain, Peng Zu Garden, Tubu Mountain, Pan'an Lake and other tourist attractions, and historical celebrities such as Peng Zu, Liu Bang, Sun Quan, Liu Yu, Li Yu and so on. It has won the titles of National Civilized City, UN Habitat Award and National Innovative City. In 2023, Xuzhou City realizes a gross regional product of RMB 89,044,000,000 Yuan.