- Guyuan City is a city located in the Ningxia Hui Autonomous Region of China. It is the southernmost city in Ningxia and is bordered by the Yellow River. Guyuan has a population of approximately 1.5 million people. The city is known for its picturesque landscapes, including mountains, valleys, and rivers. Agriculture is a major industry in Guyuan, with wheat, corn, and potatoes being the main crops grown. Guyuan also has a rich cultural history, with many historical sites and cultural relics.