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Hanoi

Hanoicity

Photograph of Hanoi
Featured view

Hanoi

Total population

8,685,607

Air quality index

98Moderate
Elevation11 m
Coordinates21.03°, 105.85°

Demographic figures from General Statistics Office of Vietnam. Overview below cites Wikipedia and may reference a different year.

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City facts

Overview

Hanoi is the capital and second-most populous municipality of Vietnam. It covers an area of 3,358.6 km2 (1,296.8 mi2), and as of 2025 has a population of 8,807,523. Hanoi had the second-highest gross regional domestic product of all Vietnamese provinces and municipalities at US$48 billion in 2023, behind Ho Chi Minh City. It hosts 78 foreign embassies, the headquarters of the Vietnam People's Army (VPA), its Vietnam National University system, and other governmental organizations. Hanoi had 18.7 million domestic and international visitors in 2022. It hosts the Imperial Citadel of Thăng Long, Ho Chi Minh Mausoleum, Hoàn Kiếm Lake, West Lake, and Ba Vì National Park near the outskirts of the municipality. Hanoi's urban area has architectural styles, including pre-colonial Vietnamese architecture, French colonial architecture, brutalist apartments and disorganized alleys and tube houses stemming from the city's growth in the 20th century.

Read more on Wikipedia

History & geography

Geography

Latitude
21.0283
Longitude
105.8540
Water area
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Air quality

US AQI — Moderate
98
PM2.5 (µg/m³)
57.9
PM10 (µg/m³)
58.9
Ozone (µg/m³)
34
NO₂ (µg/m³)
38.5

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
9,497
Distinct species (top 10)
10

Most-observed species

  • Eurasian Tree Sparrow
    Passer montanus (Linnaeus, 1758) · Aves
    811
  • Swinhoe's White-eye
    Zosterops simplex Swinhoe, 1861 · Aves
    424
  • Common Tailorbird
    Orthotomus sutorius (Pennant, 1769) · Aves
    409
  • Rock Pigeon
    Columba livia J.F.Gmelin, 1789 · Aves
    345
  • Oriental Magpie-Robin
    Copsychus saularis (Linnaeus, 1758) · Aves
    306
  • White-throated Fantail
    Rhipidura albicollis (Vieillot, 1818) · Aves
    301
  • Black-crowned Night-Heron
    Nycticorax nycticorax (Linnaeus, 1758) · Aves
    295
  • Asian Palm-Swift
    Cypsiurus balasiensis (J.E.Gray, 1829) · Aves
    257

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
1
Largest magnitude
4.2
Largest event
2024-03-25

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in Hanoi

Browse all places in Hanoi

Geography & sun

Elevation
36 ft (11 m)
Avg solar (kWh/m²/day)
3.74
Annual solar (kWh/m²)
1,366

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Wikipedia views (last 30 days)
625
Avg daily Wikipedia views
21
Attention level
Obscure

Pageview totals from the Wikimedia Pageviews API.

Books about Hanoi

Search results from Open Library.

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Research-grade observations from iNaturalist (within ~15 mi).

Events

Geotagged photos within ~6 miles of Hanoi, from Wikimedia Commons contributors.

Photos via Wikimedia Commons — see each image page for license & attribution.

Sources

  • Wikipedia
  • Wikimedia Commons
  • Wikidata
  • Open-Meteo Air Quality (CAMS)
  • USGS Earthquake Catalog (global feed)
  • GBIF (Global Biodiversity Information Facility)
  • iNaturalist
  • Open-Elevation
  • Open-Meteo / sunrise-sunset.org
  • Wikipedia Pageviews API
  • Open Library