The ocean that lies east of Africa is the Indian Ocean. This ocean is the third-largest in the world, bordered by several countries, including India, Australia, and various nations of the African continent. The Indian Ocean is known for its rich marine biodiversity, including numerous coral reefs and fish species. It plays a vital role in global trade routes and is pivotal for the economies of many coastal countries. The ocean's unique ecosystems and deep-sea environments are essential for scientific study and conservation efforts.