Kaizhou District (Chinese: 开州区), formerly known as Kai County, Kaixian or Kaihsien (Chinese: 开县) is a district under the jurisdiction of Chongqing Municipality, in southwestern China, bordering Sichuan province to the west.

[2] Around that time, government schools, Roman Catholic premises and China Inland Mission property as well as the homes of many Chinese Christians in Kai County were successively looted and destroyed.

[3] Li Ching-Yuen, known for his supposed extreme longevity, died in Kai County in 1933.

[6] In the March 27, 2015 edition of Beijing Today, Kai County was noted as "the nation's largest exporter of migrant labor.

[citation needed] As of 2018, Kaizhou District administered seven subdistricts, twenty-six towns and seven townships.