Wanyuan City in Sichuan belongs to Dazhou City in Sichuan Province. Wanyuan City is named after its location in Wanqingchi and the source of various waters. It is located in the northeast of Sichuan Province, in the heart of Daba Mountain. There are more than 2,000 square kilometers of national Daba Mountain Nature Reserve, which is known as the source of people. Wanyuan City in Sichuan belongs to Dazhou City and is managed by Dazhou City. Wanyuan City, with a total area of 4,065.6 square kilometers, is the dividing line between the north and south climate in China, and belongs to the north subtropical monsoon climate, with no severe cold in winter and no extreme heat in summer. The famous scenic spots in Wanyuan City include Batai Mountain, Yanxia Mountain Scenic Area and Wanyuan Defence War History Exhibition Hall, and there are 1 street, 25 towns and 5 townships under its jurisdiction, with the postal code of 636350.