Santo Niño is a barangay located in Parañaque, Metro Manila, Philippines. The barangay surrounds the Ninoy Aquino International Airport on its west and south sides, with a large portion of the barangay extending into the property of the airport grounds to include Terminal 1 as well as the western half of Runway 06/24. The barangay has a total land area of 245.97 …Santo Niño is a barangay located in Parañaque, Metro Manila, Philippines. The barangay surrounds the Ninoy Aquino International Airport on its west and south sides, with a large portion of the barangay extending into the property of the airport grounds to include Terminal 1 as well as the western half of Runway 06/24. The barangay has a total land area of 245.97 hectares of which about 55% is occupied by the airport complex. Its population is concentrated in the areas along the Estero de Tripa de Gallina.