South area. According to Baidu map, henglan town in Zhongshan City belongs to Shinan District of Zhongshan City. Henglan town, which belongs to Zhongshan City, Guangdong Province, is located in the south of the Pearl River Delta, on the east bank of the Xijiang River estuary, adjacent to Xiaolan Town in the east, shaxi town and Dayong Town in the south, Daao Town in Xinhui District of Jiangmen City in the west and Guzhen Town in the north.