Australia (Heard Island and McDonald Islands)–France (Kerguelen Islands)

Australia and France have two sets of maritime frontiers, one in the Indian Ocean and the other in the Pacific Ocean. Both were established in the same bilateral Agreement, signed on 4 January 1982. The Indian Ocean boundary, between the French Kerguelen Islands and the Australian Heard Island and McDonald Islands, is 430 nautical miles in length. Strict equidistance was used to delimit the boundary, and it divides the continental shelves and exclusive economic zones of the two States. It also partially delimits the extended continental shelf.

Map showing the maritime boundary between Australia and France

For access to the full Australia (Heard Island and McDonald Islands)–France (Kerguelen Islands) Boundary Brief, contact us.

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