How do you say Macao in English?

Aomen; Macao can be seen from the cover of the passport of the Macao SAR. Macau is used in the Portuguese column and Macao is used in the English column. Macao's English abbreviation is MO. Macao (Portuguese-speaking Macao, English-speaking Macao), referred to as "Macao" for short, is the full name of the Chinese People's Republic of China and the Macao Special Administrative Region of China, with a license plate of Guangdong Z. Portugal illegally occupied Macao on December 1, 1887 and officially returned to the motherland on December 2, 1999.