Santo Niño is an administrative division in southern Metro Manila, the Philippines. It is a barangay in the city of Parañaque immediately surrounding the Ninoy Aquino International Airport on its west and south sides. A large portion of the village extends into the property of the airport grounds to include Terminal 1 as well as the western half of Runway 06/24. The village has a total land area of 245.97 hectares (607.8 acres) of which about 55% is occupied by the airport complex. Its population is concentrated in the areas along the Estero de Tripa de Gallina.