Asia contains many large islands formed by geological activity over millions of years. These islands support forests, rivers, wildlife, and large human populations. Some islands are shared by multiple countries and contain diverse ecosystems. Islands in Asia vary widely in size and landscape features. Among them, one island is recognised as the largest in Asia.
Largest Island in Asia
Borneo is the largest island in Asia. It has an approximate area of 743,330 square kilometres. The island is shared by three countries: Indonesia, Malaysia and Brunei. Dense rainforests cover large parts of the island. Its size and geographical importance make it the largest island on the Asian continent.
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Countries Located on Borneo Island
The largest portion of Borneo belongs to Indonesia, where it is known as Kalimantan. Northern regions of the island belong to Malaysia. A small section belongs to Brunei, an independent nation. Each country manages its own territory on the island. These regions differ in culture, language, and development.
Largest Islands in Asia by Area
Apart from Borneo, several other large islands exist in Asia. These include Sumatra, Honshu, and Sulawesi. These islands are known for their large population and economic activity. Each island contains forests, rivers, and urban settlements. Their geographical size supports diverse ecosystems.
Major Rivers and Forests in Borneo
Large rivers flow across Borneo, supporting agriculture and settlements. Rainforests cover vast areas of the island. These forests contain unique plant and animal species. Rivers serve as transportation routes in remote regions. Natural resources play a major role in regional development.

Interesting Facts About the Largest Island in Asia
Borneo Has One of the Oldest Rainforests
Rainforests on Borneo are among the oldest in the world. These forests are estimated to be over 100 million years old. They support rare plants and wildlife species. Dense vegetation covers large parts of the island.
Borneo Is Shared by Three Countries
Few islands in the world are shared by three nations. Indonesia controls the largest portion of the island. Malaysia and Brunei control smaller regions. This makes the island geographically unique.
The Island Contains Rich Biodiversity
Many species of plants and animals live in Borneo forests. Some animals found here are not found anywhere else. The region supports ecological research. Wildlife conservation programs are active in many areas.
Large Rivers Support Transportation
Several rivers in Borneo are used for travel and trade. Boats are commonly used in remote areas. River networks connect villages and towns. These waterways support daily life.
Read more: Which River Forms the Largest River Island in the World?