Jardines del Pedregal or simply El Pedregal is an upscale residential colonia in southern Mexico City hosting some of the richest families of Mexico. It is also known as the home to the biggest mansion in the city. Its borders are San Jerónimo Avenue and Ciudad Universitaria to the north, Insurgentes Avenue to the east and Periférico to the south and west. Its 510 hectares were a major real estate project undertaken by Mexican modernist architect Luis Barragán.