The Closed Area (Chinese: 邊境禁區) is a 28-km² area in Hong Kong along the border with mainland China. It was gazetted and established in June 1951, and expanded to its current limit in 1962. Ordinary people who are not residents within the area cannot enter the area, except with a permit or is going to cross the border. In this map of China, the light-coloured areas represent Mainland China, while yellow coloured area refers to Taiwan. ... A gazette is a newspaper. ...

It was set up to halt incoming of immigrants from mainland China, and to restrict illegal activities. It freezes development within the area. In 2005, the Government has proposed for the first time to reduce the size of the area.

For those who are not residents within the Closed Area, or are not crossing the border, a Closed Area Permit is required. Applications for a Closed Area Permit outside the Closed Area can be made at the Sheung Shui Police Station in Fanling. Fanling is an area of Hong Kong. ...