Dong'a County, part of Liaocheng City, Shandong Province, is located in the western part of Shandong Province and the southeastern part of Liaocheng City. It is adjacent to Dongchangfu District and Yanggu County in the west, Chiping District and Qihe County of Dezhou City in the north, with Mount Tai in the east and the Yellow River in the south, and Pingyin County of Jinan City and Dongping County of Tai'an City across the river, covering a total area of 729 square kilometers, with 2 streets and 8 towns under the jurisdiction of Dong'a County.At the end of 2022, the resident population of Dong'a County was 341,100 people. Dong'a County was established in the Spring and Autumn Period, and the county was set up in the Qin Dynasty, with a history of more than 2,000 years, and there are cultural relics such as the Dawenkou Culture, Longshan Culture, Cangjie Tomb, Deng Temple Stone Carving and Statue, Fan Chanting Temple, Jingjue Temple and so on in the territory. As of the end of 2017, Dong'a County has 1 national 4A level tourist attraction in Dong'a Gum City, 3 3A level scenic spots, 1 national level Yellow River Forest Park, 1 national level wetland park. 105 National Highway, 341 National Highway and three provincial highways run through the whole territory of Dong'a County. In 2022, the GDP of Dong'a County is 17.758 billion yuan, with a year-on-year growth of 3.8%. Among them, the added value of primary industry will be 2.47 billion yuan, up 5.4% year-on-year; the added value of secondary industry will be 8.661 billion yuan, up 3.3% year-on-year; and the added value of tertiary industry will be 6.627 billion yuan, up 3.8% year-on-year.