Changde (Chinese: 常德; pinyin: Chángdé) is a prefecture-level city in the northwest of Hunan province, People's Republic of China, with a population of 5,717,218 as of the 2010 census, of which 1,232,182 reside in the urban districts of Dingcheng and Wuling. In addition to the urban districts, Changde also administers the county-level city of Jinshi and six counties. Changde is adjacent to Dongting Lake to the east, the city of Yiyang to the south, Wuling and Xuefeng Mountains to the west, and Hubei province to the north.
The area has been inhabited by humans since around 8,000 years ago. In that time, the city has changed names several times, but it has been known as Changde since the twelfth century. The city is well known for the Battle of Changde during the Second Sino-Japanese War (1937–45) and the atrocities committed then by the Imperial Japanese Army.