Neicao

Neicau Special Administrative Region (Chinese: 彌江特別行政區, Portuguese: Região Administrativa Especial de Neicau) is a special administrative region in Xi'Ang and an South Matamanian Overseas Territory until 1998.

1910-1928
The South Matamanian flag was used in colonial-era Neicau as there was no territorial flag.

1928-1943
The South Matamanian flag was used in colonial-era Neicau as there was no territorial flag.

1948-1998
The first territorial flag of Neicau was introduced in 1948 and used until 1998.