Definition of island or what is called an island?
The area or land surrounded by water (water) from all sides is called island or island. There are many types of islands and they are formed due to many natural causes. Greenland is the largest island in the world. Madagascar is the smallest island in the world.
How many types of islands are there?
There are mainly three types of islands:
- Continental island
- Ocean Island
- Tropical Island
How many islands are there in the world:
India has a total of 247 islands under its jurisdiction, out of which 204 islands are located in the Bay of Bengal. The islands in the Bay of Bengal are located as an enlarged part of the Tertiary Period ranges, while the islands in the Arabian Sea consist of the remains of coral or ancient hardwoods.
Near the coast in the Arabian Sea, i.e. up to a distance of 1 to 5 km, there are many rock formation islands like Piram, Belon Henre, Canare, Butcher, Elephanta, Arnala, Bhatkal, etc. The islands located close to the coast in the Bay of Bengal are Sagar Island (Gangasagar), New Moore Island, Pamban Island, Sriharikota Island, Hair Island (coral-made) etc., while off the coast are the Andaman and Nicobar Islands, which extend over 8300 km. are in the area.
Located in the Bay of Bengal, this region is a group of about 200 small and big islands. There are about 20 large islands in the Andaman group, which extend to a distance of 350 km. Similarly, there are 19 larger islands than the Nicobad Islands, some of which are 60 to 100 km in length.
The major islands are - Big Andaman, North Andaman, Central Andaman, South Andaman, Little Andaman, Car Nicobar, Great Nicobar, Tilanchong, Chanumta, Teresa, Kamorta, Kachal, Nan Karoti, Triket Island etc. Some of these islands have their origin from lava emanating from volcanic eruptions.
Let's know the list of major islands of the world:
| Island name | Place | Area |
| Greenland | North Atlantic (Danish) | 2175597 (Sq. Km) |
| New Guinea | South west pacific ocean | 800311 (Sq. Km) |
| Borneo | West central pacific | 744108 (Sq. Km) |
| Madagascar | Indian Ocean (Republic of Malagasy) | 587931 (Sq. Km) |
| Buffin | North Atlantic (Canada) | 507451 (Sq. Km) |
| Sumatra | North East Indian Ocean | 473605 (Sq. Km) |
| Honshu | Pacific Ocean and Japanese Sea | 230966 (Sq. Km) |
| Great Britain | Coast of north-west europe | 229979 (sq. km) |
| Victoria | Arctic Ocean | 217291 (Sq. Km) |
| Ellesmere | Arctic Ocean | 196236 (sq. km) |
| Sulawesi (celebs) | West central pacific | 189218 (sq. km) |
| South Island | South Pacific Ocean (New Zealand) | 151215 (sq. km) |
| Java | Indian ocean | 132189 (sq. km) |
| North Island | South Pacific Ocean (New Zealand) | 115778 (sq. km) |
| Cuba | Caribbean Sea (Republic) | 110860 (sq. km) |
| Hispaniola | Caribbean Sea | 75887 (sq. km) |
| Bank | Arctic Ocean | 70028 (sq. km) |
| Tasmania | South Australia | 67858 (sq. km) |
| Sri Lanka (Ceylon) | Indian ocean | 64491 (sq. km) |
| Devon | Arctic Ocean | 55247 (sq. km) |
| Tierra del fuego | Southern end of south america | 48187 (sq. km) |
| Axel heiberg | Arctic Ocean | 43178 (sq. km) |
| Melville | Arctic Ocean | 42149 (sq. km) |
| Kyushu | Pacific Ocean and Japanese Sea | 42018 (sq. km) |
| Southampton | Hudson's Bay | 41214 (sq. km) |