Poon Saan is a small settlement on
Christmas Island, an external territory of
Australia. Ethnic Chinese make up the majority of inhabitants. In Cantonese, Poon Saan (半山,
Jyutping: bun3 saan1) means "halfway up the hill". The architecture of Poon Saan reflects the Chinese heritage of the majority of residents in being
Singapore style units, rather than the Western style common in the Settlement.