The town of San Cristóbal Ecatepec, a municipal seat, has governing jurisdiction over the following communities: San Pedro Xoloxtoc, Tulpetlac, Chiconautla, Ciudad Azteca and Villa de Aragón. The total municipality extends 157.34 km2 and borders with the municipalities of Tlalnepantla de Baz, Tecámac, Coacalco de Berriozábal, Jaltenco, Acolman, Texcoco, Atenco, Nezahualcóyotl and Mexico City (Gustavo A. Madero). The area of this municipality is 155 km² (59.85 sq mi).[6]