Subregion Southeast Indian Ocean Region Southern Indian Ocean World Southern Oceania The Southeast Indian Ocean subregion includes Heard Island and McDonald Islands and the extreme eastern Kerguelen Islands. Map of Southeast Indian Ocean View plates of Southeast Indian Ocean through time People James Cook Yves-Joseph de Kerguelen-Trémarec Groups United States of America (US, USA) (Washington DC) Britain (United Kingdom of Great Britain and Ireland) Australia, Commonwealth of France (French republic); the Fourth Republic France (French republic); the Fifth Republic Topics Paleolithic Last glacial period Last Glacial Maximum (LGM) Antarctic Cold Reversal (ACR) Bølling Oscillation +10 more Subjects Environment Watercraft Law Trade Cartography +5 more Commodities Fish and game Weapons Hides and feathers Colorants Fuels, lubricants and sealants +1 more Locations Heard Island and McDonald Islands Australian Antarctic ← Eastern East Antarctica Southern Australasia → Cite this entry Moran, J. (n.d.). Southeast Indian Ocean. History Atlas. Retrieved 20 October 2026, from https://www.historyatlas.com/worlds/southern-oceania/regions/southern-indian-ocean/subregions/southeast-indian-ocean/ Related events Loading related events…