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Guangzhou is located in the south of Chinese mainland, south-central Guangdong Province, on the northern edge of the Pearl River Delta, close to the lower reaches of the Pearl River Basin. It is located at11257'-143' east longitude and 22 26'-23 56' north latitude, with a total area of 7434.4 square kilometers.
It is adjacent to Boluo and Longmen counties in Huizhou in the east, Sanshui, Nanhai and Shunde districts in Foshan in the west, Qingyuan, Fogang and Xinfeng counties in Shaoguan in the north, Dongguan and Zhongshan in the south, and faces Hong Kong and Macao Special Administrative Regions across the sea.
Guangzhou is a hilly region, with high terrain in the northeast and low terrain in the southwest, with mountains facing the sea at the back, hilly mountains with concentrated forests in the north, and the highest peak is the paradise top at the junction of Conghua District and Longmen County in the north, with an altitude of 12 10 meters.
The northeast is a middle and low mountain, and it is known as Baiyun Mountain as the "city lung". The central part is a hilly basin and the southern part is a coastal alluvial plain, which is an integral part of the Pearl River Delta.
Guangzhou is located in the Pearl River Delta, bordering the South China Sea, and has remarkable maritime climate characteristics. Both the ocean and the mainland have obvious influences on the climate in Guangzhou. The annual average temperature in Guangzhou is between 265,438 0.5℃ and 22.2℃, and there are abundant rainwater resources. The annual average precipitation is more than 1800 mm, and the annual precipitation days are about 150 days.
Guangzhou is located in the south water-rich area, with developed water system, numerous rivers (swells) and vast waters. There are 22 rivers with rainfall collection area exceeding 100 square kilometer, and 22 rivers with river width exceeding 5 meters 1368 rivers with total length of 5,597.36 kilometers and river density of 0.75 kilometers/square kilometer, which constitute the unique cultural characteristics of Lingnan water town.
Guangzhou has diverse land types, wide suitability and complex terrain. The terrain decreases from north to south, and the highest peak is the Tiantangding at the junction of Conghua District and Longmen County in the north, with an altitude of1210m.
Northeast China is a middle and low mountainous area; The middle is a hilly basin; The southern part is coastal alluvial plain, which is an integral part of the Pearl River Delta. Due to the interaction of various natural factors, various land types have been formed.