Mulan County, belonging to Harbin City, Heilongjiang Province, is located in the north bank of the middle reaches of the Songhua River, named after the territory of the Mulanda River, Mulan from the Manchu "paddock" meaning. Between 127 ° 3′ ~ 128 ° 18′ east longitude, from latitude 45 ° 54′ ~ 46 ° 36′, with a total area of 3600 square kilometers. The climate of Mulan County is a mesothermal continental monsoon climate. As of October 2021, Mulan County has jurisdiction over 6 townships, 2 townships, and 1 other township-level unit. The county people's government is located in the town of Mulan. As of 00:00 on November 1, 2020, the resident population of Mulan County was 176,245 people. During the pre-Qin period, the territory of Mulan County was the activity area of the Yemaudu tribe.In 1997, the Songhua River Regional Administrative Office merged with the city of Harbin, and was assigned to the jurisdiction of the city of Harbin. The main attractions include Xiangmu Mountain, Camel's Peak, Jiguan Mountain, Baiyangmu Reservoir and other scenic spots. Mulan County was selected as one of the fourth batch of demonstration counties (cities and districts) in the country to take the lead in basically realizing the mechanization of the whole process of production of major crops, and the list of counties (cities and districts) in the country with basically balanced development of compulsory education in 2019. In 2020, Mulan County will realize a gross regional product of 826,862,000 yuan.