Macau or Macao is a special administrative region of the People's Republic of China. With a population of about 710,000 people and a land area of 32.9 km², it is the most densely populated region in the world.
Sovereign state: China
Portuguese lease: 1557
Treaty of Peking: 1 December 1887
Handover of Macau: 20 December 1999
Largest parish by population: Nossa Senhora de Fátima
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