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British Indian Ocean Territory

Territory in Africa

CountryScope

In brief

Area: 60 km². World rank 233 of 249; in Africa, 59 of 59.

State

Official name
British Indian Ocean Territory
Local name
British Indian Ocean Territory
Capital
Diego Garcia
Region
Africa
UN member
No

Key figures

Area
60 km²

Practical information

Languages
English
Currency
US Dollar (USD)
Time zones
UTC+6
Calling code
+246
Driving side
Right

Territory

Sea access
Has a coastline
Coastline, km
698
Neighbours
None

Elevation

Highest point
ocean-side dunes on Diego Garcia, 9 m
Lowest point
Indian Ocean, 0 m

Climate

Average temperature in the capital, °C
27
Warmest month in the capital
April, 28°C
Coldest month in the capital
August, 26°C

Safety

Natural hazards
tropical cyclones

Internet and communications

Internet domain
.io

Transport

Airports
1 2025

Data: World Bank Open Data (CC BY 4.0), mledoze/countries (ODbL 1.0), Unicode CLDR; borders: Natural Earth. The year next to a figure is the year of the data.

Source: CountryScope (https://countryscope.org/en/country/british-indian-ocean-territory), based on World Bank Open Data (CC BY 4.0). Retrieved October 24, 2026.