UK and Mauritius Reach Historic Agreement on Chagos Archipelago Sovereignty Transfer
In a landmark diplomatic development, the United Kingdom and Mauritius have signed a groundbreaking agreement to transfer sovereignty of the long-disputed Chagos Archipelago, including the strategically significant island of Diego Garcia. The deal, which proceeded despite a last-minute legal challenge, marks a major shift in control over the territory and a resolution to decades of complex negotiations between the two nations.
The agreement, presented to the parliaments of both countries in May 2025, addresses the longstanding sovereignty dispute over the Chagos Islands, which has been a source of tension and international scrutiny for years. Under the terms of the deal, the United Kingdom will transfer ownership of the archipelago to Mauritius, while ensuring the continued operation of the vital US-UK military base on Diego Garcia.
International Support and Regional Stability
The United States has expressed its strong support for the UK-Mauritius agreement, emphasizing its importance for regional stability and international cooperation. In a statement, the US government welcomed the resolution of the sovereignty dispute and praised both nations for their commitment to finding a mutually beneficial solution.

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The transfer of sovereignty is expected to have significant implications for the region, as it demonstrates the willingness of nations to work together to resolve complex territorial issues peacefully. The agreement also highlights the importance of international law and the role of multilateral institutions in facilitating dialogue and compromise between states.
Navigating Legal Challenges and Future Cooperation
Despite a last-minute attempt to halt the proceedings through a legal injunction, the UK and Mauritius remained committed to finalizing the agreement as planned. The successful signing of the deal in the face of legal challenges underscores the strength of the diplomatic process and the determination of both governments to bring the matter to a close.
As the transfer of sovereignty moves forward, the UK and Mauritius will need to work closely together to ensure a smooth transition and to address any remaining issues related to the governance and administration of the Chagos Archipelago. The continued operation of the US-UK military base on Diego Garcia will also require ongoing cooperation and coordination between all parties involved.
A New Chapter in UK-Mauritius Relations
The signing of this historic agreement marks the beginning of a new chapter in the relationship between the United Kingdom and Mauritius. By resolving the long-standing dispute over the Chagos Islands, the two nations have demonstrated their commitment to peaceful dialogue, mutual respect, and adherence to international law.
As the transfer of sovereignty proceeds, the international community will be watching closely to see how this development shapes the future of the region and sets a precedent for the peaceful resolution of territorial disputes worldwide. The UK-Mauritius agreement on the Chagos Archipelago stands as a powerful example of what can be achieved through diplomacy, compromise, and a shared vision for a more stable and cooperative global order.