Aside from these two deltas, other densely-populated areas are the southern Mu-ming Plain in western Kwangtung and Ssu-i (including Hsin-hui, Kai-ping, Tai-shan, and En-ping) where the population density per square kilometer averages 300.
Source: wiktionary
People in the Ssu-i (the four counties — T'ai-shan, K'ai-p'ing, Hsin-hui, En-p'ing), for example, though not far from Canton, have their own distinct dialect, which is scarcely intelligible to an ordinary Cantonese.
Source: wiktionary
Report by village enumerates death and property losses in the Siyi region resulting from the Japanese invasion which began on 3 March 1941.
Source: wiktionary
Experts say up to 80 percent of the Chinese in North America came from the so called “Say-yat” region in the Pearl River Delta -- a group of four districts including Kaiping and Taishan.
Source: wiktionary