Translation guide
Macau is a special administrative region of China. In Japanese, it is most commonly referred to as マカオ, a direct loanword from Portuguese.
Referring to Macau as a location or territory
The standard Japanese name for Macau, derived from Portuguese. Used in all contexts.
Macau is famous for its casinos.
The kanji representation of Macau, used occasionally in formal or historical contexts. The reading is the same as マカオ.
I'm going to Macau next month.
Macau is a special administrative region of China.