Atlacomulco is a city and municipality located in the northwest of the State of Mexico in central Mexico, 63 km from the state capital of Toluca. The name is derived from the Nahuatl phrase "atlacomulli" which means "where there are wells." The city, with a population of 20,477 is surrounded by rural area in which 75% of the rest of the municipality lives. The municipality has a sizable percentage of indigenous language speakers, mostly Mazahua. The Mazahua name for the area is Embaró, which means "colored rock." Agriculture is still the main economic activity, but the development of a number of industrial parks, such as Atlacomulco 2000, which allowed the seat to reach city statues by 1987.