Yun County, belongs to Lincang City, Yunnan Province. It is located in the southwest of Yunnan Province, northeast of Lincang City, east of Jindong County, south of Linxiang District and Gengma County, west of Fengqing County and Yongde County, and north of Nanjian County, with a total area of 3,659 square kilometers.In 2022, Yunxian had a resident population of 386,000 people, and a household population of 440,900 people. As of June 2023, Yunxian has 7 towns and 5 townships under its jurisdiction.
Yunxian is the main transportation route of Lincang area and the northern gate of Yunnan Province's vast hinterland interaction, Lancang River, high mountains, river valleys, hot dams form a special three-dimensional climate and natural scenery, within the territory of the Daxueshan Mountain, Dapengshan primitive forests, the Nago River, the Wenzhu River, the Naoyu River, and the Valley Hot Springs, etc.; and the Western Han Dynasty copper drums, copper spears, Yuan and Ming Dynasty pottery, the Maolan Chang'an Bridge, the county capital Wenpen Pagoda, the ancient mosques, and the majestic Dawu Temple, etc. cultural relics and humanistic landscapes.On September 29, 2018, the Yunnan Provincial Government approved the exit of Yunxian from the poverty-stricken county.
In 2022, the gross domestic product (GDP) of Yunxian was 15.877 billion yuan, an increase of 5.9% over the previous year. Among them: the added value of primary industry is 5.252 billion yuan, the added value of secondary industry is 4.661 billion yuan; the added value of tertiary industry is 5.963 billion yuan, and the structure of the three industries is 33.1:29.3:37.6.