The World's Largest Archipelago: Indonesia

The Indonesian Archipelago is the planet's largest island group, comprising over 27,000 islands (estimates range 17,000–18,000 officially named; 27,000+ including smaller islets). It spans two-thirds of the Malay Archipelago, straddling the equator between the Indian and Pacific Oceans. Major islands include Sumatra, Java, Borneo (Kalimantan), Sulawesi, and New Guinea (Papua).