Ningsia

Automobiles are used in some parts of eastern Ningsia, but the roads are primitive. Many motor roads are mere tracks in the desert, their bridges built with a gap down the middle to prevent horsedrawn carts from using them.

Source: wiktionary

"Where?" "To Ningsia." "Ningsia?" "You do not know it, perhaps? It is the capital of the province of the same name. To the northwest of here, near the border of Mongolia."

Source: wiktionary

A Chinese Communist battalion stationed in Ningsia defected to the Russians in Outer Mongolia last October as a result of Moscow’s systematic undermining of troop morale of Maoist forces deployed border, an intelligence source disclosed April 30.

Source: wiktionary