Au Tau (凹頭) is an area of Yuen Long District, Hong Kong, located directly east of Yuen Long Town.
Pok Oi Hospital is located in Au Tau.
Pun Uk, a former mansion and a Grade I Historic Building is located in Au Tau, next to the hospital.
Tung Shing Lei (東成里) is a village located in Au Tau.
Castle Peak Road passes through the northern part of Au Tau.
Au Tau Station is proposed as being an intermediate station of the MTR Northern Link.
22°26′23.2″N 114°2′45.67″E / 22.439778°N 114.0460194°E / 22.439778; 114.0460194
Au Tau (Chinese: 凹頭) is a proposed station on the Northern Link of the MTR in Hong Kong. The station will be situated at Au Tau, an undeveloped area located in Yuen Long District, New Territories.
There are originally no stations on the main section of the Northern Link, between Kam Sheung Road and Kwu Tung/Lok Ma Chau, but 3 stations, including Au Tau, will be built on this section provided that significant development can be seen in the surrounding area.