Xiamen (/ˈʃjɑːˈmən/), also historically known as Amoy (/əˈmɔɪ/), is a major city on the southeast (Taiwan Strait) coast of the People's Republic of China. It is administered as a sub-provincial city of Fujian province, with an area of 1,699.39 square kilometres (656.14 sq mi) and population of 3,531,347 at the 2010 Census. The city's urban area includes the old urban island area and covers all six districts of Xiamen (Huli, Siming, Jimei, Tong'an, Haicang and recently Xiang'an), and has a total urban population of 1,861,289. It also borders Quanzhou to the north and Zhangzhou making this a unique built up area of more than five million people.