 It was the only district of the city spared from the destruction of World War II.The area is also extremely rich in archaeological findings, notably on the material culture of pre-colonial or protohistoric Tagalog communities.Geographically, Santa Ana is located at the southeast banks of the Manila-part of the Pasig River, bounded on the north by San Juan River, facing Santa Mesa, northeast by Mandaluyong, Makati to the east and southeast, Paco and Pandacan districts to the west, and San Andres district to the southwest.