- Wu Hai City, alternatively spelled Wuhai City, is a prefecture-level city located in the Inner Mongolia Autonomous Region of China. It is situated on the south-eastern shore of Lake Wuhai, which is one of the largest freshwater lakes in northern China.
- The city covers an area of approximately 5,714 square kilometers and has a population of around 543,600 people. It is divided into three districts: Haibowan District, Hainan District, and Wuda District.
- Wu Hai City is known for its rich coal reserves and is an important coal production base in Inner Mongolia. It has a well-developed coal mining industry, and the city's economy relies heavily on coal-related industries.
- Aside from coal, Wu Hai City also has other industries such as energy, chemicals, machinery manufacturing, and food processing. It is an emerging industrial city in the region.
- The city has several tourist attractions, including the Wuhai Sand Lake, which is a popular spot for water sports, fishing, and camping. The Wuhai Yellow River Bridge, an iconic landmark that connects the city with the rest of Inner Mongolia, is also a notable attraction.
- In recent years, Wu Hai City has been focusing on sustainable development and environmental protection. Efforts have been made to reduce air and water pollution caused by industrial activities, and the city is making strides towards becoming a greener and more sustainable city.