British Indian Ocean Territory

Overview

The British Indian Ocean Territory lies in the central Indian Ocean, about 1,700 kilometers southwest of Sri Lanka, comprising the Chagos Archipelago. The territory's main and only inhabited island, Diego Garcia, has functioned as a joint British-American military base since 1971, one of the region's most strategically significant facilities, from which aircraft have launched during several military operations in the Middle East. The island's original population, the Chagossian people, was forcibly removed in the 1960s and 1970s to make way for the base, resettled mainly in Mauritius and the Seychelles, a historical event that remains the subject of serious legal and moral dispute today. The territory's only current population consists of military and contract personnel; there is no permanent civilian population.

Diego Garcia's location at the center of the Indian Ocean makes it strategically vital for military logistics and regional surveillance, which is why both the United Kingdom and the United States have insisted on maintaining a long-term military presence, even under the 2024 sovereignty agreement. The territory's uninhabited islands, which make up the Chagos Archipelago beyond Diego Garcia, are also significant for conservation, as the surrounding waters hold rich coral reef systems and marine life. The Chagossian community, living in exile, has fought for decades for the right to return, an issue central to the sovereignty agreement reached with Mauritius.

The British Indian Ocean Territory is essentially inaccessible to conventional travelers, as it functions as a military zone, with civilian entry permitted only under extremely strict authorization procedures in limited cases. There are no commercial flights or accommodations on the islands, and access to Diego Garcia is provided primarily for military and contract personnel. Those interested in learning more can do so mainly through scientific publications, legal documents, and materials documenting the history of the Chagossian community.