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Xiamen

A major Chinese port and special economic zone.

Xiamen, once romanized as Amoy, is a sub-provincial city in southeastern Fujian, China, located on the Taiwan Strait. It was one of the first four special economic zones established in the early 1980s under Deng Xiaoping’s Opening Up Policy, which opened it to foreign investment and trade. The city covers 1,700.61 square kilometers and is divided into six districts: Huli, Siming, Jimei, Tong’an, Haicang, and Xiang’an. As of 2020, its population was 5,163,970, with an estimated 5.365 million by December 31, 2025. Its urban area has expanded from the original island to include most of these districts, plus four districts of Zhangzhou (Xiangcheng, Longwen, Longhai, and Changtai), forming a built-up area of 7,284,148 people. This area connects northward with Quanzhou, creating a metropolis of nearly ten million. The Kinmen Islands (Quemoy), administered by Taiwan, lie less than 6 kilometers away across Xiamen Bay.

Xiamen Island hosts a major international seaport. The Port of Xiamen is a well-developed first-class trunk line port in the Asia-Pacific, ranking as China’s seventh-largest container port and fifteenth in the world. It is the fourth port in China capable of handling sixth-generation large container ships. On August 31, 2010, it merged with the neighboring port of Zhangzhou to become the largest port in southeastern China. Since the 12th century, Xiamen was a key origin for migrants to Singapore, Malaysia, Indonesia, and the Philippines, with overseas Chinese historically supporting its educational and cultural institutions.

Xiamen is among the top 40 cities globally for scientific research, according to the Nature Index. It hosts several major universities, including Xiamen University—a prestigious Double First Class University—along with Huaqiao, Jimei, Xiamen University of Technology, and Xiamen Medical College.

Historically, the area was known as Tong’an County from antiquity until the Republic of China era. Tong’an County first appeared in Han dynasty records. During the Song dynasty (960–1279), Xiamen Island was called Jiahe Islet of Tong’an County. Its present name comes from the Xiamen Defense Castle built on the island in 1387 by Zhou Dexing during the Ming dynasty for coastal defense. The name was originally written as 下門 (Lower Gate), then changed to 廈門 (Mansion Gate or Gate of China). After the Ming fell, Ming loyalist Zheng Chenggong (Koxinga) occupied the island as an anti-Qing base. In 1650, he established a military base there and renamed it 思明州 (Think Ming Prefecture, meaning “Remembering the Ming”). Under the Qing, especially during Emperor Kangxi’s reign, the port prospered, and the name reverted to 廈門. After the Xinhai Revolution in 1912, the name 思明 was restored. In 1933, 廈門 was restored again, and Xiamen was administratively planned as a city—the first in Fujian province. The name 思明 continues as a district name. “Xiamen” is the atonal pinyin romanization of the Mandarin pronunciation; it was also romanized as Hiamen. The older English name “Amoy” comes from the Zhangzhou dialect of Hokkien, Ē͘-mûi.

Geographically, Xiamen is a sub-provincial city in southeastern Fujian. Its urban core grew from the port on southern Xiamen Island, now in Siming District. It includes Gulangyu Island and the rugged mainland coast from the northeast bank of the Jiulong River west to the islands of Xiang’an east. Xiamen Island lies about one degree north of the Tropic of Cancer, divided into Huli District (north) and Siming District (south), with Siming also containing Gulangyu. The mainland territory is split among Haicang, Jimei, Tong’an, and Xiang’an districts. In the 19th century, Xiamen’s harbor on Yundang Bay was considered one of the world’s great natural harbors; land reclamation has since filled the inlet’s mouth, creating Yundang Lake in Siming District. The municipal government sits on reclaimed land beside it. The nearest point of Liehyu in the Kinmen Islands lies just 6 kilometers off Xiamen Island. Xiamen Island is Fujian’s fourth-largest island, becoming a peninsula after a seawall was completed in 1955. Xiamen waters include Xiamen Port, Outer Harbor Area, Maluan Bay, Tongan Bay, the Jiulong River estuary, and the eastern waterway. Outside the port, Big Kinmen, Little Kinmen, Dadan, Erdan, and other islands form a horizontal line; inside, Xiamen Island, Gulangyu, and other islands provide natural storm protection.

Xiamen has a monsoonal humid subtropical climate (Köppen Cfa), with long, hot, humid summers (moderate compared to much of the province) and short, mild, dry winters. July is the warmest month, with a 24-hour average of 28.3°C (82.9°F); January is the coolest, averaging 13.1°C (55.6°F). The annual mean is 21.1°C (70.0°F). Extremes since 1951 range from 0.1°C (32°F) on January 24, 2016, to 39.6°C (103°F) on August 9, 2019. Spring is humid and peaks in precipitation.

Province
Fujian
Major port rank
7th-largest container port in China, 15th in the world
Notable university
Xiamen University (Double First Class University)

Lore & Background

Xiamen Island itself was historically known as Xiamen or Jiahe Islet, distinct from Tong'an County, which was a separate administrative entity. The name was formerly written using 下門 (Lower Gate), then changed to 廈門 (Mansion Gate). In 1650, before the Ming dynasty had fully fallen, Zheng Chenggong (Koxinga), a Ming loyalist, occupied Xiamen Island as an anti-Qing base. The name 廈門 (Xiamen) remained in continuous use through the Ming and Qing dynasties; it was not changed back by the Qing.

Reader's Guide

Xiamen's significance stems from its role as a historical port and a modern economic engine. Since the 12th century, it was an important origin for migrants to Singapore, Malaysia, Indonesia and the Philippines, with overseas Chinese supporting its educational and cultural institutions. As one of China's original four special economic zones opened in the early 1980s, it attracted foreign investment and trade, driving rapid urbanization. Its port, the Port of Xiamen, is a first-class trunk line port in the Asia-Pacific region, ranked 7th-largest container port in China and 15th in the world, and the 4th port in China capable of handling 6th-generation large container ships. The city is also one of the top 40 cities in the world by scientific research as tracked by the Nature Index, home to several major universities including Xiamen University, a member of the Double First Class Universities. Its built-up area extends into four Zhangzhou districts and connects with Quanzhou, forming a metropolis of nearly ten million people. The Kinmen Islands (Quemoy), administered by the Republic of China (Taiwan), lie less than 6 kilometers away, separated by Xiamen Bay.

Did You Know?

From Island to Metropolis: Geography and Urban Expansion

Xiamen's urban story begins on a single island in the southern reaches of Fujian province, roughly one degree north of the Tropic of Cancer. What was once the fourth-largest island in the province was transformed into a peninsula in 1955 when a seawall linked it to the mainland. The city's core grew around the historic port on southern Xiamen Island, now within Siming District, and has since sprawled across six administrative districts—Huli, Siming, Jimei, Tong'an, Haicang, and Xiang'an—covering 1,700.61 square kilometers. The urbanized footprint extends well beyond those borders, absorbing four Zhangzhou districts and linking northward with Quanzhou to form a continuous built-up area of roughly 7.28 million people, with the broader metropolis approaching ten million. The natural harbor on Yundang Bay, once celebrated as one of the world's great anchorages, has been partially reclaimed into Yundang Lake, beside which the municipal government now sits on newly created land. Just six kilometers to the east, the Kinmen Islands stand on the other side of Xiamen Bay.

Port Power and the Special Economic Zone

In the early 1980s, Xiamen was selected as one of China's original four special economic zones under Deng Xiaoping's Opening Up Policy, opening its doors to foreign investment and trade. That designation accelerated the growth of what was already a significant maritime hub. The Port of Xiamen is classified as a first-class trunk line port in the Asia-Pacific region, ranking seventh among Chinese container ports and fifteenth worldwide. It is the fourth port in China capable of handling sixth-generation large container ships. On 31 August 2010, the port absorbed the neighboring port of Zhangzhou, creating the largest port complex in China's Southeast. The city's maritime legacy stretches far deeper than modern logistics: since the twelfth century, Xiamen served as a major departure point for migrants heading to Singapore, Malaysia, Indonesia, and the Philippines, and the resulting overseas Chinese communities long channeled financial support back into the city's educational and cultural institutions.

A Name Written and Rewritten Across Dynasties

The place now called Xiamen has carried several identities over more than a millennium. In Han dynasty records it appears simply as Tong'an County, and during the Song dynasty the island was noted as Jiahe Islet within that county. The name Xiamen itself dates to 1387, when Ming official Zhou Dexing erected a defense castle on the island for coastal security; the original characters meant 'Lower Gate' before being revised to 'Mansion Gate' or 'Gate of China.' After the Ming fell, the loyalist general Zheng Chenggong—known in the West as Koxinga—seized the island as an anti-Qing stronghold and renamed it Siming, meaning 'Remembering the Ming.' The Qing restored the Xiamen name during the prosperous Kangxi era, but the Xinhai Revolution of 1912 brought Siming back into use. In 1933, as Xiamen was formally planned as a city—the first of its kind in Fujian—the Xiamen name was reinstated, and Siming survives today as one of its six districts. The older English rendering 'Amoy' reflects the Zhangzhou-dialect Hokkien pronunciation rather than Mandarin.

A Research and University City

Xiamen punches well above its population in the realm of scientific output, placing among the top forty cities worldwide in the Nature Index, a metric that tracks high-impact research publications. That standing is anchored by a cluster of major universities. Xiamen University stands out as one of China's most prestigious institutions, holding a seat in the Double First Class Universities program. Alongside it, the city hosts Huaqiao University, Jimei University, Xiamen University of Technology, and Xiamen Medical College, giving the metropolis a dense ecosystem of higher education and applied research. The city's humid subtropical climate—annual mean of 21.1 °C, roughly 1,893 hours of sunshine, and 1,301 millimeters of rain—provides a mild backdrop for year-round academic life, with July averaging 28.3 °C and January holding at 13.1 °C. Frost is exceedingly rare, and the last recorded snowfall remains a curiosity rather than a seasonal expectation. This combination of institutional density, favorable weather, and a long tradition of overseas Chinese patronage of educational institutions has made Xiamen a distinctive node in China's academic landscape.

Frequently Asked Questions

Who is Xiamen in the Cities On Rivers series?

Xiamen, historically romanized as Amoy, is a sub-provincial city in southeastern Fujian, China, positioned along the Taiwan Strait. It occupies the 25-30 slot in the encyclopedia as a major coastal trade and research hub.

What is Xiamen's role or 'power' in the series?

It serves as the series' flagship example of a special economic zone, having been one of only four original SEZs launched under Deng Xiaoping's Opening Up Policy in the early 1980s. It also doubles as a scientific research center and an international seaport.

How large is Xiamen's port compared to others?

Xiamen ranks as the seventh-largest container port in China and the fifteenth-largest in the world. This makes it one of the most significant trade nodes featured across the entire encyclopedia.

Which university is tied to Xiamen?

Xiamen University is the city's standout academic institution, carrying the Double First Class designation under China's national higher-education framework.

Why is Xiamen considered important to the Cities On Rivers canon?

As one of China's earliest special economic zones, it marks the pivotal moment the country opened its economy to foreign investment and trade. Its blend of port infrastructure, academic prestige, and policy significance makes it a cornerstone entry in the series.

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