Macau (also spelt: Macao) (澳門, Ou3mun5 in Cantonese, Àomén in Mandarin; [1]) is a territory located in southeast China, and was until 1999 administered by Portugal as an overseas province. Like its formerly British neighbour Hong Kong, Macau is a Special Administrative Region of the People's Republic of China. It has the highest population density among all the countries/regions in the world.
