Nanlang, also romanized as Namlong, is a subdistrict located on the eastern periphery of Zhongshan in Guangdong Province, China. The area covers a total landmass of 206 km² (80 sq mi) and serves as a residential and administrative region with a permanent population of approximately 38,000 residents.
The subdistrict holds historical significance as it maintains administrative jurisdiction over the village of Cuiheng. This location is notable for being the birthplace of Sun Yat-sen, a prominent historical figure in Chinese history.