Daan Introduction: Da'an District of Zigong City is located in the northeastern part of the city. In 1953, the Dabao District of Zigong City was established. In August 1955, it was renamed Da'an District by the provincial government. The district governs 9 towns, 3 townships and 4 streets, with a total area of ​​400 square kilometers and a population of 459,800. It is known as the hometown of dinosaurs and the hometown of Jiangjie. It is an important part of the central area of ​​Zigong City, a traditional industrial base, and agricultural and sideline products. Supply base and cultural tourism zone, pilot area for the construction of grassroots employment and social security service facilities nationwide.