Alabang is a barangay in Muntinlupa, Philippines. At one time, the area was a farming district and has since grown from a village to a major commercial center, including Filinvest City, Madrigal Business Park, and a transportation hub. It has an area of 8.064 square kilometers. A large portion of Ayala Alabang came from Barangay Alabang. It was the location of the Alabang Stock Farm.