Ixtlahuaca de Rayón is a city (often just simply called "Ixtlahuaca") and municipality north of Toluca in the northwest part of the State of Mexico, in Mexico. The distance between Mexico City and Ixtlahuaca is 32 km. The name Ixthahuaca comes from Náhuatl and means plains without trees. The city and municipality were officially established by decree on November 14, 1816 by the Congress of the State of Mexico.