The largest archipelago in the world is the Malay Archipelago, which is situated between the Indian and Pacific Oceans. It encompasses over 25,000 islands, including major islands such as Borneo, Sumatra, and Java, as well as many smaller islands. This geographical area includes countries like Indonesia, the Philippines, and parts of Malaysia and Brunei. The Malay Archipelago is notable for its biodiversity, featuring a wide variety of plants and animals, some of which are endemic to specific islands. It is also culturally rich, home to numerous ethnic groups and languages.