International organization participation:

IHO, IMF, IMO (associate), Interpol (subbureau), ISO (correspondent), UNESCO (associate), UNWTO (associate), UPU, WCO, WTO

Diplomatic representation in the US:

none (special administrative region of China)

Diplomatic representation from the US:

the US has no offices in Macau; US Consulate General in Hong Kong is accredited to Macau

Flag description:

green with a lotus flower above a stylized bridge and water in white, beneath an arc of five gold, five-pointed stars: one large in the center of the arc and two smaller on either side; the lotus is the floral emblem of Macau, the three petals represent the peninsula and two islands that make up Macau; the five stars echo those on the flag of China

National anthem:

note: as a Special Administrative Region of China, "Yiyonggjun Jinxingqu" is official (see China)