Ixtapaluca is a city and a municipality in the eastern part of the State of Mexico in Mexico. It lies between the Federal District and the western border of the state of Puebla. The name Ixtapaluca means "Where the salt gets wet". As of 2006, Izta included part of the world's largest mega-slum, along with Chalco and Neza. The city At the census of 2005 the city had a population of 290,076. The parish of Ixtapaluca was founded in 1531 and had great prominence in the area. The municipal palace was built in 1973. The municipality As municipal seat, the town of Ixtpaluca has governing jurisdiction over the following communities: Acozac, Ampliación San Francisco, Cabaña de los Medina, Camino a Mina Milagro (El Potrero), Camino Mina Rosita, Cerro de la Abundancia, Coatepec, Colonia Julio Chávez López (UPREZ), Colonia Tetitla, Ejido el Capulín, Ejido San Francisco (Las Joyas), Ejidos de Xalpa (Camino de los Alcanfores), El Campamento (Las Cocinas) El Carmen, El Corazón, El Cuarenta, El Jaral (El Capulín), El Patronato del Maguey (Santa Rosa), El Pozo del Venado, El Treinta y Nueve (Dos Jagüeyes), El Treinta y Siete (Kilómetro Diecinueve), General Manuel Ávila Camacho, Huertas de Canutillo, Jorge Jiménez Cantú, La Cañada, La Cañada, La Espinita (Parque Industrial la Espinita), La Granja, La Guadalupana, La Mesa, Linderos de Ixtapaluca (El Tablón), Llano Grande (Rancho Viejo), Loma del Rayo (Chocolines Segunda Sección), Lomas de Coatepec, Los Cedros, Los Hornos, Los Lavaderos, Los Vergeles, Piedra Grande (Las Cabañas), Pueblo Nuevo (San Isidro Labrador), Puente del Tablón, Puente el Mezquite, Rancho el Guarda, Rancho Francisco Santillán (Atzizintla Tres), Rancho la Pastoría, Rancho la Peña, Rancho Loma Ancha, Rancho los Gavilanes, Rancho San Isidro, Rancho Venta Nueva, Rancho Verde, Río Frío de Juárez, Ricardo Calva, San Buenaventura, San Francisco Acuautla, San Jerónimo Cuatro Vientos, Santa Ana, Santa Bárbara, Tierras Comunales (Cerro de Ayotla), Villas de Escalerillas (Bellavista), and Zoquiapan. The municipality had a population of 429,033 in 2005. The area of the municipality is 315.10 km² (121.66 sq mi). The municipality is part of the Mexico City metropolitan area. It is an important suburb because many people that work in Mexico City live in Ixtapaluca, and it has developed recent commercial interest due to this. The first "fraccionamiento" or subdivision called San José de la Palma, Municipio de Ixtapaluca, was built in 1989. The municipality is bordered by Chalco, Valle de Chalco Solidaridad, Chicoloapan,