Hai Phong is Vietnam's principal port city and one of Southeast Asia's busiest maritime centers, located approximately 120 kilometers east of Hanoi in the Red River Delta. With a population of approximately 4.66 million residents, it ranks among Vietnam's largest urban centers and serves as a crucial economic hub connecting inland regions to the Gulf of Tonkin. Despite being the smallest municipality by area in Vietnam at 3,194.72 square kilometers, Hai Phong's compact geography encompasses both densely populated urban districts and island territories, including Bạch Long Vĩ and Cát Hải islands. The city's economy centers on its bustling port operations and manufacturing activities. Hai Phong is increasingly recognized as an emerging destination for travelers exploring northern Vietnam's coastal regions, offering a combination of colonial-era architecture from its French colonial past, a renowned street food scene reflecting Vietnamese culinary traditions, and convenient gateway access to the nearby UNESCO World Heritage site of Halong Bay.
Updated 2026-05-03 · Source: GeoNames, Wikipedia
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Cat Bi International Airport
Haiphong
Hai Phong occupies a compact 3,194.72 square kilometers in northern Vietnam's Red River Delta, making it the smallest municipality by area in the country. The city's territory extends into the Gulf of Tonkin, encompassing island regions including Bạch Long Vĩ and Cát Hải. The climate is subtropical with distinct seasonal variations. Summer months (June to August) are warm and wet, with August averaging 28.2°C and receiving approximately 417mm of rainfall over 25 rainy days. Winter months (December to February) are cooler and drier, with January averaging 17.1°C and only 48mm of precipitation. The transitional months of February, March, November, and December offer the most favorable conditions with lower rainfall and comfortable temperatures ranging from 18°C to 25°C.
The optimal periods to visit Hai Phong are February, March, November, and December. These months combine comfortable temperatures with minimal rainfall, making them ideal for exploring the city's colonial architecture and waterfront areas. February and March feature average temperatures between 18°C and 21.5°C with precipitation under 50mm. November and December maintain similar conditions with averages around 17–22°C. Avoid the summer months from June to September, when heavy monsoon rains and high humidity dominate, with August alone receiving over 417mm of rain. Spring and autumn offer the best balance for outdoor exploration and street food tours.

Hai Phong's identity is deeply rooted in its maritime and colonial heritage. The city's port operations represent one of Southeast Asia's busiest commercial hubs, reflecting its importance as an economic gateway. French colonial architecture remains visible throughout the urban landscape, providing architectural landmarks for visitors. The city hosts a vibrant street food culture that reflects Vietnamese culinary traditions, with markets and informal dining establishments concentrated in central urban districts. Notable cultural sites include Đài tưởng niệm liệt sĩ Thanh Hà (historic monument), temples, and Buddhist attractions. The city serves as a convenient departure point for excursions to the nearby UNESCO World Heritage site of Halong Bay, approximately one hour's journey away.
Cat Bi International Airport (HPH) is the primary air gateway to Hai Phong, located approximately 23 kilometers south of the city center. The airport handles domestic and international flights, with convenient ground transportation options to central Hai Phong. From Hanoi, approximately 120 kilometers west, travelers can reach Hai Phong via road transport in approximately 2–3 hours depending on traffic conditions. The city's port also facilitates regional maritime travel connections. Once in the city, central districts are navigable on foot or by local taxis and ride-sharing services, given the compact urban layout.

Hai Phong's economy is anchored by its port operations, which rank among Southeast Asia's busiest commercial maritime centers. Manufacturing and industrial activities form significant secondary economic sectors. The city's status as Vietnam's smallest municipality by area—3,194.72 square kilometers—contrasts sharply with its population of 4.66 million, resulting in a densely populated urban core. The compact geography has fostered a vibrant informal street food sector and dense commercial districts. The city serves as a regional hub connecting inland production areas to maritime export routes via the Gulf of Tonkin.
Geographic data from GeoNames (CC BY 4.0). Narrative sourced from Wikipedia (CC BY-SA 4.0) and structured by Claude. Map by © OpenStreetMap contributors (ODbL). See the methodology and sources registry for full attribution and update cadence.
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