Macau ,China
Macau , also spelled Macao, is one of the two provincial-level special administrative regions of the People's Republic of China, the other being Hong Kong. Macau lies on the western side of the Pearl River Delta across from Hong Kong, which is about 64 kilometers to the east, and it is also bordered by Guangdong to the north and the South China Sea to the east and south with an estimated population of around 636,200.The currency unit of Macau is called Pataca.