Longnan City, a county-level city under the jurisdiction of Jiangxi Province, administered by Ganzhou City, is located in the southernmost part of Jiangxi Province, neighboring Dingnan County in the east, Heping County and Lianping County in Guangdong Province in the south, Quannan County in the west, and Xinfeng County in the north, with the terrain high in the southwest and low in the northeast, and with a subtropical monsoon humid climate, with a total area of 1,646 square kilometers. As of October 2022, Longnan City has 9 towns, 5 townships, 1 forest farm, and another economic and technological development zone. As of the end of 2022, Longnan City had a resident population of 319,828, including 210,951 in towns and 108,877 in villages. Longnan City was founded in the Southern Tang Dynasty in the 11th year of Baodai (953), because the county seat in the south of Longtoushan (one says Baizhang Longtan, another says Baizhang Longtan), named Longnan, meaning "Longxing Lingnan". Longnan City, distributed in 376 distinctive houses, accounting for more than 70% of the Gannan Hakka houses, mainly Longnan Gannan Hakka houses included in China's world cultural heritage reserve list; has been proved rare earths, tungsten, coal, limestone, marble, bentonite and iron ore and other mineral resources more than 40 kinds of ionic heavy rare earth reserves accounted for the world's 70% of the proven reserves; Beijing-Kowloon Railway, the 105 National Highway, Beijing-Kowloon Railway, 105 National Highway, Longhe Highway, Daguang Highway, the only national economic and technological development zone in Gan-Guangdong border, there are customs and bonded logistics centers (type B); national nature reserve and national forest park JiuLianShan, national key cultural relics protection units GuansiXinWei, YanYiWei, Wushiwei, and Taipingqiao, the National Scenic Spot NanWuTangShan, the national 4A scenic spot GuansiXinWei, and the town of PietyXin. . In 2022, Longnan realized a GDP of 22.44 billion yuan, an increase of 5.6%.