Ningxia /nɪŋˈʃjɑː/ noun1 •A Hui autonomous region of China. Official name: Ningxia Hui Autonomous Region. Capital: Yinchuan.In 1955, the trans-Mongolian railroad was inaugurated and in 1958 the Baotou line was extended to Lanzhou in Gansu, passing through Ningxia. — 1979