The Chengdu Plain (Chinese: 成都平原; Pinyin: Chéngdū Píngyuán), known as Cuanxi Bazi (Chinese: 川西坝子; Sichuanese Pinyin: Cuan¹xi¹ Ba⁴zi³) in Sichuanese, is an alluvial plain located in the western part of the Sichuan Basin in southwestern China. Chengdu, the capital of Sichuan, is located on it.