Is one of the two special administrative regions of the People's Republic of China; the other is Macau. Situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour. With land mass of 1,104 km2 (426 sq mi) and a population of seven million people, Hong Kong is one of the most densely populated areas in the world. Hong Kong's population is 95% ethnic Chinese and 5% from other groups. Hong Kong's Han majority originate mainly from Guangzhou and Taishan, both cities in neighbouring Guangdong province