Hưng Yên province: Phố Hiến and the Red River delta longan

Hưng Yên is a small, flat province in the Red River delta, roughly an hour southeast of Hanoi by road. Few foreign visitors put it on an itinerary, and that is more or less the point — it typically offers a quieter, unhurried look at delta life than the better-known stops nearby. Its main claims to interest are historical rather than scenic: the old trading town of Phố Hiến, once described in local sayings as second only to Thăng Long (old Hanoi) in size and commercial importance, and the longan fruit orchards that still ring the provincial capital every summer.

Phố Hiến: the port that outgrew itself

In the 16th and 17th centuries, Phố Hiến — the older name for what is now Hưng Yên City — was a river port on a branch of the Red River, and for a period it functioned as one of northern Vietnam's busiest commercial centers. A well-known folk saying, "thứ nhất Kinh Kỳ, thứ nhì Phố Hiến" ("first the capital, second Phố Hiến"), reflects how contemporaries ranked it against Hanoi. Chinese, Japanese, Dutch and Portuguese traders reportedly kept warehouses and residences there, drawn by river access to the delta's rice, silk and ceramics trade.

The town's decline is usually attributed to river silting: as the branch of the Red River that fed the port gradually shifted course and filled in, deep-draft trading vessels lost easy access, and commerce migrated elsewhere. By the 19th century Phố Hiến had settled into a much smaller provincial role, and much of what a visitor sees today is a quiet, half-forgotten version of a town that briefly rivaled the capital.

What's left to see today

Phố Hiến's surviving heritage is modest in scale compared to somewhere like Hội An, but it is genuine and largely untouristed. The main sites cluster in and around Hưng Yên City itself:

• Chùa Chuông (Bell Pagoda) — often cited as the best-preserved of the old Phố Hiến pagodas, with a bell tower, carved gates and a quiet courtyard.
• Văn Miếu Xích Đằng — a Confucian temple of literature, a smaller provincial counterpart to the Temple of Literature in Hanoi, honoring local scholars who passed imperial exams.
• Đông Đô Quảng Hội — an assembly hall historically associated with the Chinese merchant community that once traded through the port.
• Hưng Yên's old market streets — narrow lanes near the former riverbank that still hint at the town's commercial layout, though most original merchant houses have not survived.

A half-day walking loop through Hưng Yên City typically covers the main sites comfortably; this is a place to visit for atmosphere and history rather than for a long checklist of monuments.

Chử Đồng Tử and the Red River delta's own legend

Hưng Yên is closely associated with the legend of Chử Đồng Tử, one of Vietnam's "Four Immortals" in folk religion. The story tells of a poor fisherman who married a princess after a chance meeting on the riverbank, and who later reportedly learned Buddhist and Taoist practices from a traveling monk. Several temples along the Red River in Hưng Yên, including the Đa Hòa and Dạ Trạch temple complexes, are dedicated to him and his wife, Tiên Dung. A festival held in his honor draws pilgrims from across the delta each spring, with boat processions and offerings that are worth timing a visit around if the dates line up with your trip.

Longan: the province's modern signature

If Phố Hiến is Hưng Yên's historical claim to fame, longan (nhãn) is its present-day one. The province, and particularly the area around Hưng Yên City, is widely regarded as producing some of the country's best longan, with a variety sometimes marketed as "nhãn lồng Hưng Yên" prized for its thin skin and sweet, fragrant flesh. Harvest season typically runs from late July into September, when roadside stalls and orchard gates sell fresh fruit directly, and it is common to see entire village economies organized around the crop during those weeks. Outside harvest season the orchards are still visible but the fruit itself is harder to find fresh — dried longan is sold year-round in local markets as an alternative. For a broader look at seasonal produce across the country, see the overview of Vietnamese fruits.

Getting there and around

Hưng Yên City is typically reached from Hanoi by car or bus in around 1 to 1.5 hours, depending on traffic and route, making it feasible as a long day trip rather than requiring an overnight stay for most travelers. Public bus routes connect Hanoi's southern bus stations to Hưng Yên City, and taxis or ride-hailing apps can cover the distance directly. Once in the province, sites are spread out enough that a rented motorbike or a hired car with driver is the more practical way to see both the Phố Hiến temples and the outlying longan-growing areas around Dạ Trạch and Khoái Châu. Confirm current bus schedules locally, as delta bus routes can change without much online notice.

When to visit

Late July through September aligns with the longan harvest and is arguably the most rewarding window if fruit and rural life are the draw. Spring, particularly around the Chử Đồng Tử festival dates on the lunar calendar, suits visitors more interested in temple culture and pilgrimage traditions. The delta's climate mirrors Hanoi's broader pattern — hot, humid summers and a cooler, drier stretch from October through April — so shoulder-season months in autumn or spring tend to be more comfortable for walking around Phố Hiến's temple sites.

An honest take

Hưng Yên rewards travelers with a specific interest — trade history, delta temple architecture, or fruit-growing regions — more than it rewards a general sightseeing itinerary. It sits in the shadow of larger neighbors: Hanoi for history and food, Hải Phòng for port-city energy and onward travel to Hạ Long Bay, and Bắc Ninh for its own UNESCO-listed folk tradition. Hưng Yên's appeal is quieter and more diffuse: a former great port reduced to a provincial city, a legend tied to the riverbank, and orchards that still produce fruit prized across the country. Many visitors treat it as a day trip layered onto a longer Red River delta itinerary rather than a standalone destination, and that is probably the right approach for most itineraries.

Related

• Hanoi
• Hải Phòng
• Bắc Ninh
• Vietnamese fruits