Mainland residents need a Hong Kong and Macao travel permit to go there.
Tips
usage
港 stands for 香港 and 澳 for 澳门. Common set phrases are 港澳同胞, compatriots from Hong Kong and Macao, and 港澳台, the two cities plus Taiwan. On its own 澳 can also mean Australia, but here it is always Macao.
