The postcode of Lishui in Nanhai District, Foshan City, Guangdong Province is 528244; Fertile water, which belongs to Nanhai District, Foshan City, Guangdong Province, is located in the northeast of Nanhai District, facing Shijing Street, Baiyun District, Guangzhou across the Pearl River in the east, dali town in the south, Shishan Town in the west and Huadu District in Guangzhou in the north. The administrative area is 148.28 square kilometers. By the end of 2020, the permanent population of fertile water was 412,489.