Northwest China (Chinese: 西北; pinyin: Xīběi; lit. ‘West-north’) is a statistical region of China which includes the autonomous regions of Xinjiang and Ningxia and the provinces of Shaanxi, Gansu and Qinghai. It has an area of 3,107,900 km2. The region is characterized by a (semi-)arid continental climate. It has a diverse population including significant minorities such as Hui, Uyghurs and Tibetans. Culturally, the region has historically been influenced by the Silk Road. In the map presented in the infobox, the regions are not labelled. Xinjiang is the big one in the far Northwest.