Shanghai's geographical location and administrative regions Shanghai is located 51 minutes east longitude 120 degrees to 122 degrees 12 minutes north latitude and 30 degrees to 31 degrees 40 minutes 53 minutes between the West Bank in the Pacific Ocean, along the East Asian continent, China's north-south coast of central point of confluence of the Yangtze River and Qiantang River into the sea Department. The northern boundary of the Yangtze River, east East China Sea, south of Hangzhou Bay, west of Jiangsu and Zhejiang provinces. Is part of the alluvial plain of the Yangtze River Delta, with an average height of about 4 meters above sea level.
The general trend of the land topography is low tilt from east to west. Dianshanhu the west along the lake still water depressions for the lowest elevation of only 2 m ~ 3 m; in Sijing, tinglin, Jin Wei front-line areas east of the waterfront of Huangpu River, in order to plate edge Heights, about 4 meters above sea level; Pudong Chin Kung pond east of the coastal plain, elevation 4 meters to 5 meters. Western Tianmashan, Xue Shan, Phoenix Hill, residual hills, the highest point of land in Shanghai Sheshan, altitude 99 meters, Li are stone, "the summit of Sheshan."
Jinshan area there are big, small Jinshan, Fushan (Turtle Mountain), Sheshan, etc. Rock Island. Dajinshan elevation 103.4 meters, the highest point of the territory of Shanghai. The city's total area of 6340.5 square kilometers, about 100 kilometers from east to west, the maximum distance is about 120 km north-south.
Lu coastline of about 172 kilometers. In Shanghai, the Yangtze River into the sea at the north, with Chongming Island, Changxing Island, Hengsha Island three islands. Chongming Island, China's third largest island, from the alluvial silt down the Yangtze River smuggle formed an area of 1041.21 square kilometers, 3.5 m ~ 4.5 m above sea level. Changxing Island area of 88.54 square kilometers, an area of 55.74 square kilometers Hengsha Island.