Xishuangbanna or Sipsongpanna is an autonomous prefecture in southern Yunnan Province, People's Republic of China. The capital city is Jinghong, which straddles the Lancang (Mekong) river. The prefecture has an area of 19.700 km².
The native name literally means "twelve thousand rice fields".
Xishuangbanna is the home of the Dai people. The region sits at a lower altitude than most of Yunnan, and has a tropical climate. It is fast becoming a sought after tourist destination. Passiflora xishuangbannaensis is a recently discovered passionflower species that is endemic in Xishuangbanna.
The Six famous tea mountains region (六大茶山; pinyin: Liù Dà Chá Shān; literally, "Six big tea mountain") located in the prefecture produce some of the most highly regarded Pu-erh tea in the 20th century.
