Geographical location: Lianyungang is located at the northeast end of Jiangsu Province, with a latitude of 33 58 ′ 55 ″ north latitude, an longitude of 35 08 ′ 30 ″ east longitude, and an longitude of 65 438+065 438+08 24 ′ 03 ″ ~ 65 438+065 438+09 54 ′ 566. It is adjacent to the Yellow Sea in the east, facing North Korea, South Korea and Japan across the sea, connecting Rizhao City in Shandong Province in the north, Linyi City in Shandong Province and Xuzhou City in Jiangsu Province in the west, and Suqian City, Huai 'an City and Yancheng City in Jiangsu Province in the south. The maximum horizontal distance from east to west is about 129 km, and the maximum vertical distance from north to south is about 132 km. The total land area is 76 15 square kilometers, the sea area is 75 16 square kilometers, and the urban built-up area is 182 square kilometers. Lianyungang is connected to the Yangtze River Delta in the south, Bohai Bay in the north and Continental Bridge in the west. It is located at the cross-shaped node connecting the New Eurasian Continental Bridge Industrial Belt, the Asia-Pacific Economic Circle, the Bohai Economic Circle and the Yangtze River Delta Economic Circle. It is the intersection of the Silk Road on land and the Silk Road on the sea. It is the east bridgehead of the new Eurasian Continental Bridge, the first batch of coastal open cities in China, the key seaport city in China, the excellent tourist city in China and the most convenient port in the central and western regions.