Dao County, alias Daozhou, is nicknamed Liancheng. It belongs to Yongzhou City, Hunan Province and is located in Xiaoshui. It is adjacent to ningyuan county in the east, Jiangyong County and Jianghua Yao Autonomous County in the south, quanzhou county and Guanyang County in the west and Shuangpai County in the north. Known as "wide band, shielding Sanxiang". It is the traffic fortress of Hunan leading to Guangdong, Guangxi, Hainan and Southwest China, and the industrial transfer base of the Pearl River Delta. It is 77 kilometers long from north to south and 62.6 kilometers wide from east to west, with a land area of 2,448 square kilometers and a total population of 8,08716 (2014). County government resident Lianxi sub-district office. Daoxian County is the hometown of Zhou Dunyi, a great thinker in Song Dynasty, the originator of Neo-Confucianism, He, a calligrapher in Qing Dynasty, and He Baozhen, a modern revolutionary. Daozhou, an ancient city in southern Hunan, is known as "the valley source of the world, the holy land of Neo-Confucianism, China's pottery books, and the earliest modern human tooth fossils (865,438+200,000 years ago).