The San Diu (also known as San Deo, Trai, Trai Dat and Man Quan Coc) are an ethnic group in North Vietnam. They are believed to have migrated from the Guangdong province in 1600. Guangdong (Simplified Chinese: 广东; Traditional Chinese: 廣東; pinyin: ; Wade-Giles: Kuang-tung; Postal System Pinyin: Kwangtung or Canton Province, Jyutping: gwong2 dung1), is a province on the south coast of the Peoples Republic of China. ...

The group's estimated population as of 2000 is 117,500. They speak an archaic variant of Cantonese. The major religion is Taoism, with elements of animism and ancestor-worship. About 400 are Catholic Christians; a few are evangelical protestants. The major concentration is in Quang Ninh province. This article is about the year 2000. ... This article is on all of the Yue dialects. ... For other uses of the words tao and dao, see Dao (disambiguation). ... Animism is the belief that personalized supernatural beings (or souls) inhabit all objects and govern their existence. ... Ancestor worship, also ancestor veneration, is a religious practice based on the belief that ones ancestors possess supernatural powers. ... Christianity is a monotheistic religion based on the life and teachings of Jesus of Nazareth as presented in the New Testament writings of his early followers. ... Evangelicalism usually refers to a conservative tendency in diverse branches of Protestantism, typified by an emphasis on evangelism, a personal experience of conversion and biblically-oriented faith, and a belief in the relevance of Christian faith to cultural issues. ... Protestantism is a movement within Christianity, representing a split from the Roman Catholic Church during the mid to late Renaissance in Europe —a period known as the Protestant Reformation. ...