Changde, known as Wuling and Langzhou in ancient times, also known as "Liucheng", is a prefecture-level city and sub-central city in Hunan Province. Changde is located in the north of Hunan, south of the Yangtze River and west of Dongting Lake. Known as "the throat of Sichuan and Guizhou and the gateway of Yunnan and Guizhou", it is an important city in the Yangtze River Economic Belt and the ecological economic circle around Dongting Lake.

Changde has successively won the honors of national civilized city, China excellent tourist city, national sanitary city, national garden city, China first charming city and international wetland city? , International Garden City, National Model City of Traffic Management, National Model City of Environmental Protection, China City of Poetry, etc.

Changde's comprehensive strength is in the forefront in Hunan Province. In 20 19, the city achieved a regional GDP of 362.42 billion yuan, an increase of 7.9% over the previous year. 20 17 Changde confirmed that it will continue to retain the honorary title of national civilized city. 20 18 reconfirmed the national health city (district).

In the seventh year of Huizong Zhenghe in the Northern Song Dynasty (117), Changde County was established in Dingzhou, and was later promoted to Changde House. This name is based on Laozi's "For the world, Changde never leaves" and Confucius's "The Book of Songs, Elegance and Chang": "Words must punish generals, soldiers must be rehabilitated, and the people must use them without tyranny. This matter can often be regarded as a law, with Changde. " "Changde has established military affairs because he thinks it is mysterious." It means virtuous, virtuous and conscientious, which is called Changde. The name "Changde" started from here.