Nùjiāng Lisu Autonomous Prefecture () is an autonomous prefecture of western/northwestern Yunnan province, People's Republic of China. Name It is named after the Nujiang river (the longest undammed river in Southeast Asia) and the Lisu ethnic group. Administration The seat of the prefecture is Liuku Town, Lushui. The prefecture is subdivided into four county-level divisions: one county-level city, one county, and two autonomous counties: Demographics According to the 2000 Census Nujiang has 491,824 inhabitants with a population density of 33.45 inhabitants/km2. Ethnic groups in Nujiang, 2000 census External links Nujiang Prefecture Official Website Autonomous prefectures of the People's Republic of China Lisu people