Dongguan City, located in Guangdong Province, China, is a prefecture-level city under the jurisdiction of Guangdong Province, and is also the central city on the east bank of the Pearl River Delta in China. Dongguan City is located in the south-central part of Guangdong Province, in the Pearl River Delta Plain in the lower reaches of the Dongjiang River, between 113°31 114°15 east longitude and 22°39 23°09 north latitude. It is adjacent to Huicheng District and Huiyang District of Huizhou City to the east, Shenzhen City to the south, Guangzhou City to the west, Zengcheng District of Guangzhou City and Boluo County of Huizhou City to the north. The total area of the city is 2465 square kilometers, and the permanent population is 839220,000 (2021 data), urban population 763860,000 people, urbanization rate 9102%。
The geological structure of Dongguan City is located in the north-east-trending south and western part of the Boluo fault at the Luofu Mountain fault margin and in the Dongguan fault depression basin. The terrain is high in the southeast and low in the northwest. The landform is dominated by hilly platforms and alluvial plains, and hilly platforms account for 445%, alluvial plains accounted for 433% and 62%。The southeast is mountainous, especially in the east, the mountain is huge, the division is strong, concentrated into a piece, the ups and downs are larger, the altitude is more than 200 600 meters, the slope is about 30 degrees, the main peak of Yinzhuizai Mountain is 8982 meters, is the highest mountain in Dongguan City; The low mountains and hills in the central and southern parts are a hilly and platform area; The northeast is close to the Dongjiang Riverside, where the land and river valley plains are distributed, between 30 and 80 meters above sea level, the slope is small, the terrain is gently undulating, and it is the Putian area that is easy to accumulate water. The northwest is a delta plain formed by the alluvium of the Dongjiang River, which is a low-lying area with a vertical and horizontal water network. The southwest is the alluvial plain of the river bordering the mouth of the Pearl River, with flat and low depression, and is a sand and salty field area that is greatly affected by the tide.
In general, Dongguan is a prefecture-level city with abundant natural and cultural resources, and is one of the economically developed cities in China.