Sichuan Province.

Dazhou is a prefecture-level city under the jurisdiction of Sichuan Province. It is located in the eastern part of Sichuan Province. It is a populous city, a large agricultural city, a resource-rich city, an industrial town and a transportation hub in Sichuan Province. It is a famous old revolutionary area , known as "China's gas capital and the hometown of Ba people", is the starting point of the national "Sichuan-to-East Gas Transmission" project. Dazhou has a long history. It has a history of more than 1,900 years since the county was established in the Eastern Han Dynasty. It has been the seat of state, county, prefecture and county. Dazhou is located at the junction of the four provinces and cities of Sichuan, Chongqing, Hubei and Shaanxi and in the Chengdu-Chongqing Economic Zone on the upper reaches of the Yangtze River. It is the "east gate" of Sichuan's opening to the outside world and a key regional central city with a population of one million in Sichuan. Dazhou is one of the 179 main road transport hubs in China and one of the 12 regional secondary hub cities in Sichuan Province. Dazhou Railway Station is the fourth largest railway station in the southwest. Dazhou has a complete water, land and air three-dimensional transportation system. The East Passage is an important logistics hub city in western China. Dazhou is rich in products and resources. It enjoys the reputation of the hometown of ramie in China, the hometown of yellow flowers in China, the capital of olive oil in China, the capital of selenium-rich tea in China, and the first toon county in China.