Oceans and seas within region
- identified using the 'Limits of Oceans and Seas', International Hydrographic Organisation Special Publication No.23; spatial data available here
Gulf of Aden, Arabian Sea, Mozambique Channel, Indian Ocean
Countries within region
- identified using identified using VLIZ (2009). Maritime Boundaries Geodatabase. Available here
Bassas da India (France), Comoros, Europa Island (France), Glorioso Islands (France), Juan de Nova (France), Kenya, Madagascar, Mauritius, Mayotte (France), Mozambique, Prince Edward Islands (South Africa), Reunion (France), Saint Paul and Amsterdam Islands (France), Seychelles, Somalia, Tanzania, Tromelin Island (France)