Texcoco de Mora is a city located in the State of Mexico, 25 km northeast of Mexico City. Texcoco de Mora is the municipal seat of the municipality of Texcoco. In the pre-Hispanic era, this was a major Aztec city on the shores of Lake Texcoco. After the Conquest, the city was initially the second most important after Mexico City, but its importance faded over time, becoming more rural in character. Over the colonial and post-independence periods, most of Lake Texcoco was drained and the city is no longer on the shore and much of the municipality is on lakebed. Numerous Aztec archeological finds have been discovered here, including the 125 tonne stone statue of Chalchiuhtlicue, which was found near San Miguel Coatlinchán and now resides at the Museum of Anthropology in Mexico City.

The State of Mexico, officially just Mexico, is one of the 32 federal entities of the United Mexican States. Commonly known as Edomex to distinguish it from the name of the whole country, it is the most populous, as well as the most densely populated, state in the country.