Anshan is the third largest prefecture level city in Liaoning province, People's Republic of China. Situated in the central area of the province, Anshan is about south of Shenyang, the provincial capital. Anshan is on the boundary between the Mountains of eastern Liaoning and the plains of the west. The prefecture has a population of 3,584,000 people and covers an area of about . The distance from the east to the west of the prefecture is . The area contains the famous Qianshan National Park. The city's name is derived from the shape of a nearby mountain that resembles the shape of a horse's saddle, which can be seen on the left (west) about five minutes before the northbound train arrives at Anshan Station. Anshan is home to the Anshan Iron and Steel Group, one of the largest steel producers in China. Anshan is sister cities with Sheffield