Which cities does northern Jiangsu refer to? What is the economic situation? (in more detail)

Subei is the abbreviation of northern Jiangsu Province. In the general geographical and social sense, the area north of the Yangtze River in Jiangsu Province is considered as northern Jiangsu. At present, there are eight cities: Yangzhou, Taizhou, Nantong, Yancheng, Huai 'an, Suqian, Lianyungang and Xuzhou. Northern Jiangsu generally refers to the area north of the Yangtze River in Jiangsu Province. Northern Jiangsu is a geographical concept and an economic region. This used to be an administrative division. Northern Jiangsu in the traditional sense refers to the Jianghuai area of Jiangsu Province, represented by Yangzhou, Huai 'an, Yancheng and Taizhou. Although the Jianghuai area in northern Jiangsu is located in the north of the Yangtze River, it is also a traditional water town with criss-crossing rivers. Among them, Nantong, Taizhou and Yancheng once had a large number of immigrants from the south of the Yangtze River, so they were culturally influenced by the south of the Yangtze River, and there was an obvious transition between the north and the south in terms of culture, language and habits. According to the current administrative divisions of Jiangsu Province, northern Jiangsu includes five provincial cities and 40 counties (cities, districts) including Xuzhou, Lianyungang, Suqian, Huai 'an and Yancheng. The land area is 53 1 1,000 square kilometers. According to the results of the sixth national census on 20 10, the population of the cities under the jurisdiction of five provinces is 29,750,096. Resident population (people) in cities under provincial jurisdiction and cities under municipal jurisdiction: Yunlong District, Gulou District, tongshan district, jiawang district, Suining County, quanshan district, Peixian County, Pizhou City, Fengxian County, xinyi city 8580500 Xinpu District, Lianyun District, Ganyu County, Donghai County, Guanyun County and guannan county in Haizhou District.

43939 14 Sucheng District of Suqian City, Shuyang County, Siyang County and Sihong County of suyu district City

47 15553 Qinghe District, Qingpu District, Huaiyin District, Lianshui County, Hongze County, Jinhu County and Xuyi County of Huai 'an City

4799889 tinghu district of Yancheng City, jianhu county of Yandu District, Sheyang County, Funing County, Binhai County, Dongtai City of Xiangshui County and Dafeng City 7260240 Geographical location Northern Jiangsu is located on the coast of the Yellow Sea, with a coastline of 744 kilometers, facing Japan and South Korea across the sea, in the Yangtze River Delta with Shanghai as the leader, with an important position and an important part of the national coastal economic belt. Northern Jiangsu is located in the transition zone between Huanghuai Plain and Jianghuai Plain, with flat terrain, dense inland river network and rich products, and is an important manufacturing base in the eastern coastal areas of China. In recent years, the traffic situation in northern Jiangsu has been fundamentally improved, and the location advantage has become more prominent. The railway network extending in all directions consisting of the New Eurasian Continental Bridge, namely Longhai Railway, beijing-shanghai railway Railway, Xinchang Railway and the planned coastal railway, can reach major cities in China and as far as Europe. The shipping network in northern Jiangsu, which consists of the Beijing-Hangzhou Grand Canal, the north wing port group of Shanghai International Shipping Center, Lianyungang, Dafeng Port and the planned northern Jiangsu sea passage, is becoming more and more perfect. Beijing-Shanghai Expressway, Ninglian Expressway, Ningsuxu Expressway, Ningjingyan Expressway, Coastal Expressway, Tongsan Expressway (starting from Tongjiang City, Heilongjiang Province and ending at Sanya City, Hainan Province), Suhuaiyan Expressway, Xu Lian Expressway and Xu Yan Expressway run through the whole of northern Jiangsu, and the expressway network density in northern Jiangsu has reached the level of developed countries. At the same time, the high-grade highway network composed of first-class and second-class highways covers the whole of northern Jiangsu, forming convenient land transportation channels, including Xuzhou Guanyin Airport and Lianyungang. The modern transportation network in northern Jiangsu has begun to take shape. Generally speaking, the terrain in northern Jiangsu is extremely low and flat, and it is a flat plain. In most places, rivers are vertical and horizontal, especially in He Lixia Plain. At the same time, the Beijing-Hangzhou Canal extends to Shandong along Yangzhou, Huai 'an and Xuzhou. There are many lakes in northern Jiangsu, including Hongze Lake, gaoyou lake, Roman Lake, Baima Lake, baoying lake and Shaobo Lake. The official northern Jiangsu today refers to (the official definition of the government): Xuzhou, Lianyungang, Huai 'an, Yancheng and Suqian. The land area of northern Jiangsu is 52,300 square kilometers, and the population at the end of 2004 is 32.28 million, accounting for 5 1.9% and 44.8% of Jiangsu Province respectively. The eastern part of northern Jiangsu is close to the Yellow Sea, with a large area of tidal flats. Historically, the coastal areas of northern Jiangsu were the main salt-producing areas in China. After modern times, most areas were changed to cotton areas, and only Huaibei saltworks near Lianyungang and Yancheng were kept.