Ruy López de Villalobos was a Spanish explorer who led a failed attempt to colonize the Philippines in 1544, attempting to assert Spanish control there under the terms of the treaties of Tordesillas and Zaragoza. Unable to feed his men through barter, raiding, or farming and unable to request resupply from Mexico due to poor knowledge of the Pacific's winds and currents, Villalobos abandoned his mission and fled to the Portuguese-held Moluccas, where he died in prison. He is chiefly remembered for some sources crediting him with naming Leyte the "Philippine Island" in honor of the Spanish crown prince Philip. The name was later extended across the entire Philippine Archipelago and its nation.

The Philippines, officially the Republic of the Philippines, is an archipelagic country in Southeast Asia. In the western Pacific Ocean, it consists of 7,641 islands, with a total area of 300,000 square kilometers, which are broadly categorized in three main geographical divisions from north to south: Luzon, Visayas, and Mindanao. The Philippines is bounded by the South China Sea to the west, the Philippine Sea to the east, and the Celebes Sea to the south. It shares maritime borders with Taiwan to the north, Japan to the northeast, Palau to the east and southeast, Indonesia to the south, Malaysia to the southwest, Vietnam to the west, and China to the northwest. It is the world's twelfth-most-populous country, with diverse ethnicities and cultures. Manila is the country's capital, and its most populated city is Quezon City. Both are within Metro Manila.