Australia has the world's largest coral reefs, specifically the Great Barrier Reef, which is located off its northeastern coast. This extensive reef system, comprising over 2,900 individual reefs, stretches around 2,300 kilometers. It is renowned for its biodiversity, housing thousands of marine species, including colorful corals, fish, and marine mammals. The Great Barrier Reef has significant ecological, economic, and recreational importance, drawing millions of tourists each year. Its health is critical for marine life and local economies, making conservation efforts essential.