Nezahualcóyotl, or more commonly Neza, is a city and municipal seat of the municipality of Nezahualcóyotl in Mexico. It is located in the state of Mexico, adjacent to the east side of Mexico City. The municipality comprises its own intrastate region, Region IX.

Municipalities are the second-level administrative divisions of Mexico, where the first-level administrative division is the state. They should not be confused with cities or towns that may share the same name as they are distinct entities and do not share geographical boundaries. As of March 2024, there are 2,476 municipalities in Mexico, excluding the 16 boroughs of Mexico City.