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New Territories South East
Geographical constituency for the Legislative Council of Hong Kong
Boundary of New Territories South East in Hong Kong
District	Sai Kung District Eastern part of Sha Tin District
Region	New Territories
Population	746,400[1]
Electorate	472,751[2]
Current constituency
Created	2021
Number of members	Two
Member(s)	Li Sai-wing (DAB) Lam So-wai (PP)
Created from	New Territories East (1998)

The New Territories South East geographical constituency is one of the ten geographical constituencies in the elections for the Legislative Council of Hong Kong which elects two members of the Legislative Council using the single non-transferable vote (SNTV) system. The constituency covers Sai Kung District and Eastern part of Sha Tin District in New Territories.^[3]

The constituency was created under the overhaul of the electoral system imposed by the Beijing government in 2021, replacing the Sai Kung District and eastern part of Sha Tin District (Hoi Nam, Chung On, Kam To, Ma On Shan Town Centre, Wu Kai Sha, Lee On, Fu Lung, Kam Ying, Yiu On, Heng On, Tai Shui Hang, On Tai, Yu Yan, Kwong Hong, Kwong Yuen) of the New Territories East constituency used from 1998 to 2021. A constituency with the same name were also created for the 1995 Legislative Council election in the late colonial period which elected one seat with a similar boundary.