Jiaojiang District is located in the central part of coastal Zhejiang Province, bordering the sea in the east, Luqiao in the south, Huangyan in the west and Linhai in the north. The land area is 24.24 kilometers wide from east to west and 23.10 kilometers long from north to south. The coastline is 22.7 kilometers long. Total area of 343.58 square kilometers, land area of 280.1 square kilometers, of which 266.5 square kilometers of land area, island area of 13.6 square kilometers. Sea area of 600 square kilometers, Jiaojiang waters 16.89 square kilometers, inland water area of 59.24 square kilometers. Jiaojiang area resides in the north of Wenhuang Plain. The main type of geomorphology is coastal alluvial plain, and the rest is low hills, mudflats and islands. It belongs to the mid-subtropical monsoon zone, and the climate is regulated by the ocean water, which is milder and wetter than the inland areas at the same latitude. The total amount of water resources is large, and there are abundant marine aquatic species.

Jiaojiang area in the northern part of the warm yellow plain. The main type of landform is the coastal alluvial plain, accounting for 65% of the total land area. The rest are low hills, mudflats and islands. It belongs to the middle subtropical monsoon zone, the climate is regulated by the ocean water, which is milder and wetter than the inland areas at the same latitude. Four distinct seasons, abundant rainfall, rain and heat in the same season, summer heat, winter without Qi cold. The average annual temperature is 17.0℃, the average temperature in January is 6.1℃, the average temperature in July is 27.8℃, and the frost-free period is 257 days. Disaster weather to typhoons for the big trouble, from the Qing Shunzhi 15 years (1658) to 2003 more than three hundred years, causing serious harm to the big storm surges there are more than 30 times. More rivers and canals in the territory, with the river as the boundary, divided into Jiao Bei water system and Jiao Nan water system, there are 82 main rivers, with a total length of 359.24 kilometers. In addition to the natural rivers of the Jiaojiang River system, most of the rivers in the plains are excavated by man.