Geography

Tonga

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Administrative divisions

'EuaHa'apaiNiuasTongatapuVava'u
5 · First-level (ADM1)

Boundaries shown do not imply endorsement.

'EuaHa'apaiNiuasTongatapuVava'u

Source: geoBoundaries CGAZ (ADM1)

IndicatorValue
Total area750 km²World Bank WDI [2023]
Exclusive economic zone (EEZ)666,100 km²Marine Regions [2024]
Administrative divisions (ADM1)5 divisionsgeoBoundaries [2026]
LocationOceania, archipelago in the South Pacific Ocean, about two-thirds of the way from Hawaii to New ZealandCIA World Factbook [2025] · 2026 archive
Coastline419 kmCIA World Factbook [2025] · 2026 archive
Land boundaries0 kmCIA World Factbook [2025] · 2026 archive
Bordering countriesNo authoritative open source found
Terrainmostly flat islands with limestone bedrock formed from uplifted coral formation; others have limestone overlying volcanic rockCIA World Factbook [2025] · 2026 archive
Climatetropical; modified by trade winds; warm season (December to May), cool season (May to December)CIA World Factbook [2025] · 2026 archive
Natural resourcesarable land, fishCIA World Factbook [2025] · 2026 archive
Highest pointKao Volcano on Kao Island 1,046 mCIA World Factbook [2025] · 2026 archive
Lowest pointPacific Ocean 0 mCIA World Factbook [2025] · 2026 archive
Mean elevationNo authoritative open source found
Area (comparative)four times the size of Washington, D.C.CIA World Factbook [2025] · 2026 archive
Natural hazardscyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou volcanism: moderate volcanic activity; Fonualei (180 m) has had frequent activity in recent years, and Niuafo'ou (260 m) has forced evacuations; other historically active volcanoes include Late and TofuaCIA World Factbook [2025] · 2026 archive
Maritime claimsterritorial sea: 12 nm; exclusive economic zone: 200 nm; continental shelf: 200-m depth or to the depth of exploitationCIA World Factbook [2025] · 2026 archive

Section metadata

Data year2026
EditionDatabook 2026
Coverage14/16
LicenseCC-BY
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Datasets on this page
  • World Bank WDI
    world_bank_wdi
    Edition: 2024
  • Marine Regions
    marine_regions_eez
    Edition: 2024
  • geoBoundaries
    www.geoboundaries.org
    Edition: 2026
  • CIA World Factbook
    cia_factbook
    Edition: 2025
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About this data

Tonga's geography on Databook compiles 14 indicators from 4 open datasets including World Bank WDI, Marine Regions, geoBoundaries. Key figures include total area (750 km²), exclusive economic zone (eez) (666,100 km²). Data is referenced to 2026. Every value carries its source and publication year, published under open licenses.