It was named after the rule of Sui Dynasty to Song Yuzhou.
Chongqing, located at the intersection of the Yangtze River and Jialing River, was called Bajun and Yuzhou in ancient times, or "Chongqing" for short.
According to historical records, it was the capital of ancient Pakistan as far back as12nd century BC.
In 3 16 BC, the Qin dynasty destroyed the Ba state and established Ba county here. In the Han dynasty, the county was changed to a state,
Establish Bazhou; Later renamed Chuzhou, Bazhou, Yuzhou and Duke of Zhou.
1 102, Zhao, First, he was made King Gong,
Later, I received a will of the throne here, calling myself "Double Celebration".
After he acceded to the throne, he renamed the Duke of Zhou Chongqing, which has been in use ever since.
It has a history of nearly 800 years.