Donghai County, which belongs to Lianyungang City, Jiangsu Province, is located in the northeast of Jiangsu Province, bordering the Yellow Sea in the east, Pengcheng in the west, Jianghuai in the south and Qilu in the north. Known as the crystal capital of the world and the hometown of hot springs in China, it is the first batch of coastal open counties in China and the first county westbound by the New Eurasian Continental Bridge. With a total area of 2,037 square kilometers and a population of 1.24 million, it governs 19 townships (fields), 2 streets, 1 provincial economic development zones, 1 provincial high-tech zones and 1 provincial tourist resorts.

Geographical environment of Donghai county, Jiangsu province

Donghai county has a warm temperate humid monsoon climate. Donghai county is mild and humid all the year round, with abundant sunshine, rain and heat in the same season and four distinct seasons. The annual average sunshine hours are 2300 hours, the annual average precipitation is 9 13mm, and the frost-free period is 225 days.

Donghai county belongs to the plain hilly area on the southeast edge of Huang-Huai-Hai Plain. The terrain is long from east to west and short from north to south, with a maximum distance of 70km from east to west and 54km from north to south. The terrain is high in the west and low in the east, with hilly plains in the central and western regions and flat terrain in the east. The terrain is high in the west and low in the east, with an altitude of 2.3-125m.

Reference to the above content: Baidu Encyclopedia-Donghai County