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 552,573 as of the 2010 Census. 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. The present physiography of Las Piñas consists of three zones: Manila Bay, coastal margin and the Guadalupe Plateau.
The town fiesta of Las Piñas is celebrated every first Sunday of May each year to honor its patron saint,Saint Joseph. Saint Joseph's Day celebration is centered in St. Joseph Parish Church in the oldpoblacion of Las Piñas in Brgy. Daniel Fajardo on Padre Diego Cera Ave. (Quirino Ave.).
Las Piñas City is home to unique festivals like the: