Xonacatlán is one of the 125 municipalities of the State of Mexico. It is one of the municipalities of the Valley of Toluca, has an area of 65.85 km². Its municipal head is the population of Xonacatlán de Vicencio. It limits to the north with Otzolotepec and Jilotzingo. To the south with Lerma. To the east with Naucalpan. According to the 2010 census it has a total population of 46,331 inhabitants. The municipality has all the services. Its main festival is on October 4 in honor of San Francisco de Asís.