Planning verdict · GBR → IOLoading access record…Retrieving the recorded passport route
Destination guideBritish Indian Ocean Territory
Always verify before booking
Official-source travel planning for British Indian Ocean Territory, including its territorial or constitutional status, entry route and practical gateway information. Check the entry route, passport rule and official sources in one place.
Mobility data reviewed · Official links checked
EntryAtlas / DestinationGBR → IO
DestinationBritish Indian Ocean TerritoryAfrica
Major gatewayNKWDiego Garcia
Entry requirements
Travel snapshot
Key information at a glance to help you plan your trip. Always confirm details with official authorities before you travel.Mobility dataset reviewed19th August 2026Official links checked 19th August 2026. Link checks do not reverify every entry rule.
Requirements can change at short notice. This is not legal advice. Confirm with the relevant embassy, airline or government website before you travel.
Country overview
Plan in the right order.
Official-source travel planning for British Indian Ocean Territory, including its territorial or constitutional status, entry route and practical gateway information.
Territory context. BIOT remains under UK administration while the 2025 UK–Mauritius treaty is not in force. Access is highly restricted; it is not a normal tourist destination and there are no commercial passenger flights.
01Access is restricted and requires prior permission02There are no normal commercial passenger flights03Carry insurance capable of covering remote medical evacuation
01
Entry routeLoading access record…→Maximum stayLoading stay record…→Passport validityValid for at least 6 months after arrival, with at least 2 blank pages→Health planningCheck official health guidance→Before you book
Confirm the essentials.
02
Entry ruleRecheck the destination authority↗Passport & pages2 pages→Health documentsVaccines and certificates↗Help abroadSave embassy / consulate details→Before you fly
Recheck what can change.
Official sources
Know where the answer comes from.
Use EntryAtlas for the planning view, then use the relevant authority for the final decision.
EntryGOV.UK — BIOT entry requirementsDestination visa / immigration authority↗SafetyUK travel adviceTraveller advice for changing conditions↗HealthOfficial health guidanceVaccines, health risks and certificates↗ConsularEmbassies & consulatesOfficial mission route and fallback directory→
Mobility data reviewed 19th August 2026 · Destination authority links checked 19th August 2026
01
Passport validity calculator
Will your passport work?
Enter your trip and passport dates to check the current validity rule for British Indian Ocean Territory.
Prepare a document checklist →Open the standalone passport validity calculator ↗Calculator
02
Entry and visa
Can you enter?
BIOT remains under UK administration while the 2025 UK–Mauritius treaty is not in force. Access is highly restricted; it is not a normal tourist destination and there are no commercial passenger flights.
Start with official advice for your United Kingdom passportUK Foreign, Commonwealth & Development Office provides guidance for its citizens. Admission is decided by the destination’s competent border or immigration authority, so also confirm the visa and entry rule with the official destination authority below.
Open UK travel advice ↗Official source / authorityBritish Indian Ocean Territory AdministrationOfficial BIOT administration visitor and access information.↗Visa informationGOV.UK — BIOT entry requirementsOfficial UK entry guidance. Permission is required and access is restricted.↗Embassies & consulatesOpen the British Indian Ocean Territory mission directorySee the verified official mission route, directory fallback and consular guidance in EntryAtlas.→
Destination-authority links checked . Eligibility depends on the passport used, residence, trip purpose, route and length of stay. The destination authority makes the admission decision.
03
Your document
Passport checks
Valid for at least 6 months after arrival, with at least 2 blank pages
✓
Validity ruleValid for at least 6 months after arrival, with at least 2 blank pages
✓
ConditionPassport must be undamaged and accepted by the carrier and border authority.
✓
Personal detailsNames and personal details should match your booking and travel documents.
✓
Blank pagesCurrent guide rule: 2 pages.
Official ruleGOV.UK FCDOUse the source for your passport, dates and trip purpose.
Check official source ↗04
Vaccines and health
Health checks
01
Vaccines
Check TravelHealthPro guidance and the relevant administering/local authority for vaccination recommendations and any certificate requirements affecting travel to British Indian Ocean Territory.
02
Healthcare
Arrange suitable insurance and confirm healthcare access, evacuation arrangements and any destination-specific health requirements for British Indian Ocean Territory.
Official health sources
Check the right health source.
A vaccine recommendation is not automatically an entry requirement. Check traveller-health guidance, then confirm mandatory certificates or health-entry rules with the relevant authority.
UKTravelHealthPro country guidanceNaTHNaC vaccine, malaria and travel-health guidance for UK travellers.↗TRIPFCDO health adviceCurrent health, medical-care or destination guidance linked for this country.↗WHOWHO travel healthGlobal infectious-disease, vaccination and international travel-health guidance.↗LOCALGuidance for where you liveChoose CDC, Canada, Smartraveller, SafeTravel and other official national sources.→
Health guidance should be chosen by where you live or receive healthcare, your itinerary and your individual circumstances — not by passport nationality alone. Speak to an appropriate healthcare professional when you need personal advice.
05
Safety and local laws
Before you go
01Access is restricted and requires prior permission
02There are no normal commercial passenger flights
03Carry insurance capable of covering remote medical evacuation
06
Destination authorities
Verify with British Indian Ocean Territory
For entry and visa decisions, use the destination’s competent embassy, immigration authority or official visa service as the primary source.
Planning guide only. EntryAtlas does not issue visas or travel authorisations. Confirm the final rule with the destination authority before booking and again before travel.
Local destination information
RegionAfrica
Status / administrationBritish Overseas Territory; sovereignty-transfer treaty signed but not in force
CurrencyUS Dollar (USD)
Main languageEnglish
Major gatewayNKW · Diego GarciaOfficial airport / gateway ↗
Entry checkLoading access record…GBR → IO
CapitalDiego Garcia (reference)Diego Garcia is used as the administrative/gateway reference; there is no civilian capital.
Reference city timeUpdates automatically
Time zone—UTC
Capital coordinates-7.3384, 72.4718City-centre reference
Calling code+246Capital area code not separately listed here
Local context
Time at your destination.
Reference-city time, clock changes and daylight for Diego Garcia (reference). Your time difference is calculated from this device.
Current weather · Diego Garcia (reference)Current weatherChecking the latest conditions…