Xinyi, previously romanized as Sunyi (Jyutping: seon3 ji4), is a county-level city in Guangdong Province, China. It is administered as part of the prefecture-level city of Maoming in the southwestern corner of the province, bordering Guangxi to the west. As of the 2020 census, it had a population of 1,014,577 people. Though its metro area is much smaller with 418,731 inhabitants considered urban.
Under the Qing, Xinyi County formed part of the prefecture of Gaozhou. After the Chinese Civil War, it was reorganized under Maoming. Xinyi is the ancestral hometown of around 500, 000 Chinese diaspora, ninety percent of them settle in Malaysia.
Xinyi Middle School, the first county school in Xinyi District, was set up in 1916. It is now a national-level model high school.
Facts of overseas Chinese: Xinyi is hometown of around 200,000 ovetseas Chinese, these overseas Chinese mostly settle in Malaysia and Singapore .