Tongchuan Introduction: Tongchuan District belongs to Dazhou City, Sichuan Province, in the eastern part of the Sichuan Basin. It is adjacent to Xuanhan County in the northeast, neighboring Dachuan District in the southwest, and Pingchang County in the northwest. It is the political, economic, cultural, financial, and transportation center of Dazhou City. In 2013, Tongchuan District governed 19 townships, 192 villages and 81 communities, with a total area of 901 square kilometers and a population of 582,800 (agricultural population of 310,000). Tongchuan District is a national science popularization zone, a national advanced family planning service, a national demonstration community for harmonious community construction, an advanced district and county in the hilly region of Sichuan Province, and a rural tourism demonstration zone in Sichuan Province.