Lanshan District, belonging to Linyi City, Shandong Province, is located in the southeast of Shandong Province, the central part of Linyi City, and is the resident of the CPC Linyi Municipal Committee and Linyi Municipal People's Government. Lanshan District is located in the central part of Linyi City in the southeast of Shandong Province, and is the seat of the CPC Linyi Municipal Party Committee and the People's Government of Linyi City. It lies between 118°06′-118°20′ east longitude and 35°03′-35°23′ north latitude, with a total area of 839 square kilometers. As of October 2022, Lanshan District has 4 streets and 7 towns under its jurisdiction. According to the seventh population census, as of 00:00 on November 1, 2020, the resident population of Lanshan District was 184,089 people. Lanshan was named by Chu Daifu Qu Yuan, founded in the twenty-fourth year of King Zhao of Chu (492 years ago), is a famous historical and cultural city in Shandong Province. Historically, it has been the capital of the Kingdom of the Ruzhou, the border city of the State of Lu, the northern border of the State of Chu, and the seat of Langya, and the hometown of the "Sage of Calligraphy" Wang Xizhi, the "Most Filial" Wang Xiang, and the "Sage of Dudu" Min Ziqian. "The old city of Lunan show, Luanshya more famous" reputation. In 2022, Lanshan District realized a GDP of 135.78 billion yuan, of which the primary industry realized an added value of 1.06 billion yuan, the secondary industry realized an added value of 47.59 billion yuan, and the tertiary industry realized an added value of 87.13 billion yuan. The ratio of the three industries is 0.8:35:64.2.