坑口
The earliest history referring to Hang Hau was in the 19th century. It was an agricultural and fishing village. Hang Hau got its name from a large water channel near Mang Kung Uk () that led to the sea. In days gone by, Hang Hau was on the sea front, facing Junk Bay. Many of the village names in Hang Hau reflect this – Shui Bin Village () means "Waterside Village", for example.