Whose voyages included the largest number of ships and sailors?

The voyages of Zheng He, a Chinese admiral of the Ming Dynasty, included the largest number of ships and sailors. His expeditions, known as the "Treasure Voyages," took place from 1405 to 1433 and involved fleets of up to 300 ships and thousands of sailors. These voyages reached as far as Southeast Asia, the Indian subcontinent, and the eastern coast of Africa, showcasing China's maritime capabilities and facilitating trade and cultural exchanges.