| Tromelin Island (2006) | Bassas da India (2005) | |
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| Airports | 1 (2006) | - | 
| Airports - with unpaved runways | total: 1 
 under 914 m: 1 (2006)  | 
				- | 
| Area | total: 1 sq km 
 land: 1 sq km water: 0 sq km  | 
				total: 0.2 sq km 
 land: 0.2 sq km water: 0 sq km  | 
				
| Area - comparative | about 1.7 times the size of The Mall in Washington, DC | about one-third the size of The Mall in Washington, DC | 
| Background | First explored by the French in 1776, the island came under the jurisdiction of Reunion in 1814. At present, it serves as a sea turtle sanctuary and is the site of an important meteorological station. | This atoll is a volcanic rock surrounded by reefs and is awash at high tide. A French possession since 1897, it was placed under the administration of a commissioner residing in Reunion in 1968. | 
| Climate | tropical | tropical | 
| Coastline | 3.7 km | 35.2 km | 
| Country name | conventional long form: none 
 conventional short form: Tromelin Island local long form: none local short form: Ile Tromelin  | 
				conventional long form: none 
 conventional short form: Bassas da India  | 
				
| Dependency status | possession of France; administered by the Administrateur Superieur of the French Southern and Antarctic Lands | possession of France; administered by the Administrateur Superieur of the French Southern and Antarctic Lands | 
| Disputes - international | claimed by Mauritius | claimed by Madagascar | 
| Economy - overview | no economic activity | no economic activity | 
| Elevation extremes | lowest point: Indian Ocean 0 m 
 highest point: unnamed location 7 m  | 
				lowest point: Indian Ocean 0 m 
 highest point: unnamed location 2.4 m  | 
				
| Environment - current issues | NA | NA | 
| Flag description | the flag of France is used | the flag of France is used | 
| Geographic coordinates | 15 52 S, 54 25 E | 21 30 S, 39 50 E | 
| Geography - note | climatologically important location for forecasting cyclones; wildlife sanctuary (seabirds, tortoises) | the islands emerge from a circular reef that sits atop a long-extinct, submerged volcano | 
| Irrigated land | 0 sq km | 0 sq km (1998 est.) | 
| Land boundaries | 0 km | 0 km | 
| Land use | arable land: 0% 
 permanent crops: 0% other: 100% (grasses; scattered bushes) (2005)  | 
				arable land: 0% 
 permanent crops: 0% other: 100% (all rock) (2001)  | 
				
| Legal system | the laws of France, where applicable, apply | the laws of France, where applicable, apply | 
| Location | Southern Africa, island in the Indian Ocean, east of Madagascar | Southern Africa, islands in the southern Mozambique Channel, about one-half of the way from Madagascar to Mozambique | 
| Map references | Africa | Africa | 
| Maritime claims | territorial sea: 12 nm 
 exclusive economic zone: 200 nm continental shelf: 200-m depth or to the depth of exploitation  | 
				territorial sea: 12 nm 
 exclusive economic zone: 200 nm  | 
				
| Military - note | defense is the responsibility of France | defense is the responsibility of France | 
| Natural hazards | NA | maritime hazard since it is usually under water during high tide and surrounded by reefs; subject to periodic cyclones | 
| Natural resources | fish | none | 
| Population | uninhabited, except for visits by scientists (July 2006 est.) | uninhabited (July 2005 est.) | 
| Ports and harbors | - | none; offshore anchorage only | 
| Terrain | low, flat, and sandy; likely volcanic | volcanic rock |