Tang County, a county under the jurisdiction of Baoding City, Hebei Province, is located in the middle of Hebei Province, the west of Baoding, and the triangle of Beijing, Tianjin, and Shijiazhuang. It is adjacent to Shunping County and Wangdu County in the east, Quyang County and Fuping County in the west, Dingzhou City in the south, and Laiyuan County in the north, with a total area of 1417 square kilometers. According to the data of the seventh population census, as of 0:00 on November 1, 2020, the permanent population of Tangxian County is 505849. As of October 2021, it has jurisdiction over 10 towns and townships. The county people's government is located at No. 5, Guangming Road, Renhou Town.

In the fourth year of Emperor Gaodi of the Western Han Dynasty (202 BC), the county was established, which was named Tang County because of its ancient status as Marquis of the Tang Dynasty. It is located in the west of the Haihe River basin, in the north of the eastern foot of the Taihang Mountains, and in the middle mountain area in the northwest. It has mountains, hills, plains, and rivers. It is known as "seven mountains, one river, and two fields". It belongs to warm temperate semi-arid and semi humid continental monsoon climate. There are Beijing Guangzhou Railway, Beijing Kunming Expressway, Baofu Expressway, 107 National Highway and Provincial Highway Baolai Line, Beijing Zambia Line, Baoping Line and Liye Line passing through the territory. There are three national key cultural relics protection sites: the Cliff Statue of Wofo Temple, the Ming Great Wall at Daomaguan, and the Beifangshui Site. The natural and cultural tourism landscape includes Bethune Kodihua Memorial Hall, Qingxu Mountain, Dashiya, Xishenggou, etc. On May 5, 2019, the Hebei Provincial Government issued a notice officially approving Tang County to withdraw from the poverty stricken county sequence.

In 2020, the county's GDP will reach 12.46 billion yuan, an increase of 1.4%, and the retail sales of consumer goods above the limit will reach 372 million yuan, an increase of 15.6%; The per capita disposable income of urban and rural residents was 25401 yuan and 10138 yuan, up 4.9% and 9.3% respectively.