New Territories West, or simply "NT West" is one of the geographical constituencies in the Legislative Council of Hong Kong. Located in the western part of New Territories in Hong Kong, it is the largest geographical constituencies in Hong Kong with Tsuen Wan District, Kwai Tsing District, Tuen Mun District, Yuen Long District and Islands District belonging to the constituency. Although New Territories West is not the official administration name in Hong Kong (while New Territories is the official name), many government departments use it as one of main regions for administration divisions.