Linyi, anciently known as Langya and Yizhou, is a prefecture-level city under the jurisdiction of Shandong Province, a Type II large city located in the southeastern part of Shandong Province, straddling latitude 34°22′ to 36°13′ north and longitude 117°24′ to 119°11′ east, with a temperate monsoon climate and favorable temperatures, and a total area of 17,191.2 square kilometers. As of the end of 2022, Linyi had a resident population of 10,993,100. As of June 2023, Linyi has 3 municipal districts and 9 counties under its jurisdiction, with the municipal government stationed at No. 17 Beijing Road in Lanshan District. Linyi City, named after the Linyi River, is the core birthplace of the Dongyi culture, with a history of more than 3,000 years of city building, Qiyang City was built during the Spring and Autumn Period, Langya County during the Qin Dynasty, Linyi County was set up during the Han Dynasty, Yizhou Prefecture was set up during the Qing Dynasty, and the prefecture-level Linyi was reorganized as Linyi City with the approval of the State Council in 1994. Sun Tzu's Art of War" "Sun Bin's Art of War" bamboo slips unearthed here; thinker Xunzi, Zongsheng Zengzi, Zhuge Liang, the wisdom of the saint of the book, Wang Xizhi, the great calligrapher Yan Zhenqing and bead calculator inventor Liu Hong was born or has lived here, Confucius 72 sage disciples of the 13, the history of the 24 filial piety of the 7 filial piety in Linyi. Linyi is an old revolutionary area, which has nurtured the Yimeng Spirit of "concentricity between the party and the people, deep love between the army and the people, blending of water and milk, and sharing of life and death". There are Mengshan and Yishui Glow Worm Water Cave - underground Grand Canyon for the national 5A-level tourist attractions; Junan natural reclining Buddha is known as the "Wonders of the World", the Yiyi River Xiaobudong Rubber Dam is 1,247 meters long, was included in the world's Guinness Book of Records; Yinchushan Han Tomb Bamboo Slip Museum, the former residence of Wang Xizhi, the former site of Shandong Provincial Government, the Mengliangtai Battle Memorial Museum, the Pingyi Natural Museum and other attractions and monuments. Nature Museum and other places of interest and tourist attractions. It has been awarded national honors such as National Civilized City, National Model City of Double Embracing and National Garden City, and has been awarded the titles of Famous Market City of China, Logistics Capital of China and Famous City of Chinese Calligraphy. In 2023, Linyi's GDP was 610.5 billion yuan, a year-on-year growth of 6.3% at constant prices.