Largest atoll structure
- Who
- Great Chagos Bank
- What
- 12642 square kilometre(s)
- When
- 01 January 0001
The Great Chagos Bank in the Indian Ocean covers an area of around 12,642 km² (4,881 miles²). It has 7 named small islands on its rim, with a combined area of just 4.5 km² (1.7 miles²).