Zhijiang Dong Autonomous County (Chinese: 芷江侗族自治县), usually referred to as Zhijiang County (simplified Chinese: 芷江县; traditional Chinese: 芷江縣; pinyin: Zhǐjiāng Xiàn) (Dong language: Zix jangh) is an autonomous county of the Dong people in Hunan Province, China.

The Japanese Vice General Secretary Takeo Imai (今井武夫) signed the surrounding treaty, marking the end of the Second Sino-Japanese War.

Zhijiang County has a humid subtropical climate (Köppen Cfa), with an annual mean temperature of 16.72 °C (62.1 °F).

Winters are mild and brief, beginning somewhat dry and turning wet and gloomy as the season progresses.

From March to June, on average, more than half of the days each month receive some precipitation.