The largest ocean on Earth is the Pacific Ocean. Covering an area of approximately 63 million square miles (165 million square kilometers), it extends from the Arctic Ocean in the north to the Southern Ocean in the south, bordered by Asia and Australia on the west and the Americas on the east. The Pacific Ocean is known for its vastness, depth, and unique marine biodiversity. It also contains numerous islands and archipelagos, making it home to a variety of cultures and ecosystems. Its significance in global trade and climate patterns cannot be overstated.