Sanyi

The Sanyi (Chinese: 三邑), Sam Yup, or Nanpanshun are three former counties surrounding Guangzhou, China. The former counties and the corresponding modern districts are

Nanhai

modern Nanhai District and Chancheng District in Foshan, and a small part of Liwan District in Guangzhou

Panyu

modern Yuexiu, most of Liwan, Haizhu, Huangpu, Baiyun, Panyu, and a large part Nansha, all in Guangzhou

Shunde

modern Shunde District, Foshan

Many of the Chinese immigrants to the United States in the late 19th century came from this part of the Pearl River Delta, together with the coastal region of Siyi to the southwest.