City of Ecatepec de Morelos coat of arms, Mexico

Ecatepec (Spanish: [ekateˈpek]), officially Ecatepec de Morelos, is a municipality in the State of Mexico situated in the north of the Greater Mexico City urban area. The municipal seat is San Cristóbal Ecatepec. The city of Ecatepec is co-extensive with the municipality, comprising 99% of the total population of 1,645,352. It is Mexico's third most-populous municipality after Tijuana and the 16 boroughs of Mexico City. It is also the most-populous suburb of Greater Mexico City. The name "Ecatepec" is derived from Nahuatl and means "windy hill" or "hill devoted to Ehecatl" (the wind god). It was also an alternative name for or invocation of the god Quetzalcoatl. "Morelos" refers to José María Morelos, a hero of the Mexican War of Independence. Saint Christopher is the city's patron saint, celebrated on July 25. Ecatepec is served by the Mexico City metro, by the State of Mexico's Mexibús bus rapid transit lines, and by Mexicable aerial cable car lines. Points of interest include the Catedral del Sagrado Corazón de Jesús, several colonial era churches, and the Morelos Museum in Casa de los Virreyes. Mexico's busiest shopping centre, Multiplaza Aragón, is also located in Ecatepec.