Hakka architecture
Overview
 
A Hakka walled village is a large multi-family communal living structure that is designed to be easily defensible. This building style is unique to the Hakka people
Hakka people
The Hakka , sometimes Hakka Han, are Han Chinese who speak the Hakka language and have links to the provincial areas of Guangdong, Jiangxi, Guangxi, Sichuan, Hunan and Fujian in China....

 found in southern China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 (Hakka is "Kè-jiā" 客家 in Chinese). Walled villages are typically designed for defensive purposes and consist of one entrance and no windows at the ground level.
The Hakka were originally immigrants from northern China who settled in the southern provinces.
 
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