Dàlǐ Bai Autonomous Prefecture (Chinese: 大理白族自治州; pinyin: Dàlǐ Báizú Zìzhìzhōu; Bai: Darl•lit Baif•cuf zirl•zirl•zox) is an autonomous prefecture of northwestern Yunnan province, People's Republic of China. Dali has an area of 29,460 square kilometres (11,370 sq mi) and its seat is located in Xiaguan, Dali City.