Hong Kong is an official and administrative Region, it is a territory located in the East Asia and Southern China, Hong Kong shares its borders with the province of Guangdong to north and having South China Sea to East, South and West. Hong Kong has population of 7 million people and only 1,108km of total land that makes it most densely populated region of the world. In beginning with the trading port this city became dependent territory of United Kingdom in 1842, then remained transfer of the sovereignty to people's Republic of China in year 1997. With Macau City is now one of the special administrative regions under one country that have two-system policy