Chengdu is situated in the middle of Sichuan Province, the West Sichuan Plain.Covering an area of 12390 sq km, it is 192 KM long from east to west and 166 KM wide from south to north. Up to the year 2000, the city zone of Chengdu is 208 sq km. Chengdu is adjacent to Deyang City in the northwest, Ziyang District in the southeast, Meishan District in the south, Ya'an District in southwest and Aba Tibetan and Qiang Autonomous Prefecture in the northwest. Chengdu belongs to inland zone. It is 1,600 km away from the East China Sea and 1,090 km from the South China Sea.
Climate: Located in the bordering areas of the Sichuan northwest highland and Sichuan basin, Chengdu has its own climatic features. First, the eastern part of the city is different from western part in climatic zone, due to the abrupt change of the height from the east to the west. In Chengdu, generally speaking, the west is cool while the east is warm at the same time. Even in the same mountain, the foot of hill is several degrees higher in temperature than that on the top of the hill. This dramatic change in temperature is favorable for the agricultural development. Second, the winter in Chengdu is short, with a long frost-free period of over 337 days each year. The annual average temperature is around 16.4 degree. Even in the cold January, the average temperature is some 5.degrees. It rarely snows. Compared with other areas of the Changjiang River, it is 2-3 degrees higher. Third, there is not much precipitation in winter and spring while it is affluent in summer and autumn with the total precipitation volume of 1,124 centimeters.
Tea cooking and tea culture originated in Sichuan, China . And Xinjin, a town of Chengdu, was the first to begin tea trade. Even in poetry, the earliest description about tea drinking was found in Chengdu. In the Tang Dynasty and the Song Dynasty, Chengdu remained an important base for tea production, and it was also an important center for tea trade, either for retailing or in wholesale. Since the Qing Dynasty (1644-1911), teahouses here gradually developed their own unique style which could be found today. Besides, Chengdu has the largest number of teahouses in the world.
In all, over two thousand years, Chengdu has been constantly learning and absorbing the new and the advanced culturally and intellectually. This explains why Chengdu has remained prosperous politically, culturally and economically all through the history.
Chengdu has also been famous for its rich cultural heritages. Within its jurisdiction are Qionglai city, Chongzhou city and Pengzhou city, all of which are listed as Cities of Rich Cultural and Historical Heritage by the government of Sichuan province. In November 2000, Dujiangyan Irrigation System and Qingcheng Mountain (the Taoist Mountain) were ranked as Cities of the World Cultural Heritage by the United Nations Educational, Scientific and Cultural Organization (UNESCO).