Huainan City, the ancient name of the state to come, Shouchun, under the Cai, Anhui Province, prefecture-level cities, type II large cities, located in north-central Anhui, the Yangtze River Delta hinterland, the Huaihe River, east and Chuzhou City adjacent to the southeast and Hefei City, south-west of the city of Lu'an City, west of Fuyang City, north of Bozhou City, Bengbu City junction, is located in the subtropical and warm-temperate zone of the transition zone, a total area of 5,650 square kilometers. As of November 2022, the city has five districts and two counties under its jurisdiction. As of the end of 2022, the city had a resident population of 3,027,000 people. In June 1952, the province-administered Huainan City was established. Huainan City is an energy production base in east China with coal and electricity as the main focus, an important central city in north Anhui and an important national energy base as approved by the State Council, an excellent tourist city in China, a livable city in China, a national model greening city, a national garden city, one of the first pilot smart cities in the country, the best investment city in China, the happiest city in China, an advanced city in the country for blood donation, a city of Chinese The city of idioms and allusions, known as "the throat of Central China, the barrier of Jiangnan", is an important node of the city cluster along the Huaihe River, the history of the representative culture of the Huaihe River culture, the territory of the National Geopark, the National Forest Park, the national AAAA tourist attractions, such as the Bakong Mountain and other attractions. In 2023, the Gross Domestic Product (GDP) of Huainan City will be 160.16 billion yuan, an increase of 5.1% over the previous year at constant prices.