Dutou, Tiantou Town, Ningdu County. Deng's surname is the 27th wazi in China, mainly distributed in Guangdong, Hunan and Sichuan. In the Western Zhou Dynasty, dengzhou city, Henan Province was the birthplace of Deng's surname. Dengzhou city Deng's Ancestral Hall is located in Dutou, Tiantou Town, Ningdu County. According to Textual Research on Geography in the Spring and Autumn Period, uncle Wu Ding, the ancestor of Deng's surname, established Deng State in Dengzhou County, Nanyang City, which was the earliest fief of Deng's surname and the birthplace of Deng.