for the present-day Leshan region.

After the Sui unification of China, Leshan was part of Meishan Prefecture (jun). In the third year of the Kaihuang reign (583 AD) of the Sui dynasty, the prefecture system was changed to a two-tier system of state (zhou) and counties. During the Tang dynasty's Zhenguan reign, Leshan became part of Jiazhou. In the Northern Song's Chongning reign, Leshan belonged to Jiading Prefecture, which administered five counties. During the reign of Emperor Ningzong of the Southern