UK Transfers Sovereignty of Chagos Islands to Mauritius

On 22nd May 2025, the United Kingdom agreed to transfer sovereignty of the Chagos Islands to Mauritius.

The agreement ends decades of British control over the Indian Ocean archipelago, while retaining strategic military arrangements over Diego Garcia.

Aspect	Details
Sovereignty Transfer	The UK agreed to transfer sovereignty of the Chagos Islands to Mauritius after decades of British control.
Annual Payment	The UK will pay Mauritius approximately £101 million annually under the agreement.
Diego Garcia Base	The UK will lease back the military base on Diego Garcia, under British and American control, for at least 99 years.
Location	The Chagos Islands are a chain of over 60 remote islands in the Indian Ocean.
Historical Control	The islands had been under British sovereignty since 1814, after being ceded by France.
British Indian Ocean Territory	The islands were separated from Mauritius before its independence and formed the British Indian Ocean Territory.

ARCTIC SENTRY MISSION

In February 2026, the North Atlantic Treaty Organization (NATO) launched the Arctic Sentry Mission.

The mission aims to strengthen NATO’s military and surveillance presence in the Arctic amid rising security concerns, increased Russian activity and debates around Greenland.

PT Facts

Diego Garcia: Hosts a major US-UK military base and is strategically important in the Indian Ocean.
Chagos Dispute: Linked with decolonisation, maritime sovereignty, military bases and strategic island geopolitics.
Mauritius: An island nation in the south-west Indian Ocean.
Arctic Importance: Rising due to melting ice, new shipping routes, resource competition and military positioning.
NATO: Founded in 1949 and headquartered in Brussels, Belgium.

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