Guangde is a county-level city in the southeast of Anhui Province, People's Republic of China, bordering the provinces of Jiangsu to the north and Zhejiang to the east.

[1] Guangde provides the terrain for the 5.67-square-kilometer automobile proving ground (31°02′39″N 119°25′33″E / 31.044266°N 119.425751°E / 31.044266; 119.425751) with 60 km (37 mi) of test roads, opened on September 22, 2012, and managed by Shanghai GM and the Pan Asia Technical Automotive Center (PATAC), both joint ventures of SAIC Motor with GM China.

[2][3] On July 19, 1964, China launched and recovered its first successful experimental biological rocket carrying eight white mice from the Chinese Academy of Sciences Base 603 launch site in Shijie Town (誓节镇) within the city.

[6] Prior to the late 19th century, most residents spoke a Jianghuai Mandarin dialect.

Most residents also speak the Southwestern Mandarin Guangde dialect.