Las Piñas, officially the City of Las Piñas (Filipino: Lungsod ng Las Piñas), is a city in the National Capital Region of the Philippines with a population of around 550,000. It is bounded to northeast by the Parañaque; to the southeast by Muntinlupa; to the west and southwest by Bacoor; and to the northwest by the Manila Bay. Half of its land area is residential and the remaining half is used for commercial, industrial and institutional purposes.