structural:summarization, stylistic:tone
Yinchuan is the capital of the Ningxia Hui Autonomous Region, China, and was the capital of the Tangut-led Western Xia dynasty. It has an area of 8,874.61 km⁲ (3,426.51 sq mi) and a total population of 2,859,074 according to the 2020 Chinese census, and its built-up area was home to 2,564,918 inhabitants spread between three urban districts and Helan and Yongning counties largely being urbanized. The city's name literally means "silver river". Yinchuan is now the permanent site for the China-Arab Expo, a platform for cultural and economic exchanges between China and Arab countries. The city is also home to Ningxia University, the largest regional comprehensive university under Ningxia's Project 211.