Xiamen, historically romanized as Amoy, is a sub-provincial city located in southeastern Fujian Province, China, situated beside the Taiwan Strait. The city is divided into six districts: Huli, Siming, Jimei, Tong'an, Haicang, and Xiang'an. These districts cover an area of 1,700.61 square kilometers and had a population of approximately 5.365 million as of late 2025.
The city's urbanized area has expanded from its original island to include most parts of all six districts along with four Zhangzhou districts, forming a built-up area of over 7.2 million inhabitants. This region connects with Quanzhou in the north to form a metropolis of nearly ten million people. Xiamen is notably located less than 6 kilometers from the Kinmen Islands, which are administered by the Republic of China (Taiwan).
Historically significant as part of Deng Xiaoping's Opening Up Policy, Xiamen was one of China's original four special economic zones. It was opened to foreign investment and trade in the early 1980s, establishing its role as a key hub for international commerce.