Yuen Long is a town in the western New Territories, Hong Kong. To its west lie Hung Shui Kiu (洪水橋), Tin Shui Wai, Lau Fau Shan and Ha Tsuen, to the south Shap Pat Heung and Tai Tong, to the east Au Tau and Kam Tin (錦田), and to the north Nam Sang Wai.

Tin Shui Wai New Town is a satellite town in the northwestern New Territories of Hong Kong. Originally a gei wai (基圍) fish pond area, it was developed in the 1980s as the second new town in Yuen Long District and the eighth in Hong Kong. It is 25 kilometres (16 mi) due northwest of Central, the main business area in the territory, on land reclaimed from low-lying areas south of Deep Bay, next to Ping Shan. The population was 292,000 in 2014, while the total projected population for when the town is fully built-out is about 306,000.