Rangdong Town is located in Dengzhou City, Henan Province. Rangdong was called Nieyang in ancient times. It is the hometown of the medical sage Zhang Zhongjing. Since the Ming and Qing Dynasties, "commerce and trade have flourished, with more than a thousand merchants, making it the first town of Deng." .

The town has jurisdiction over 28 villages and 3 community committees, with a total population of 112,000 (local population 84,400, floating population 27,600). The town area is 98.98 square kilometers, the township area is 4.4 square kilometers, and the township’s permanent population is 36,000