Mexico City(Spanish: Ciudad de México) , officially known as México, D. F., or simply D.F. ,  is the Federal District.
Mexico City is located in the Valley of Mexico, sometimes called the Basin of Mexico. It has a minimum altitude of 2,200 meters above sea level and is surrounded by mountains and volcanoes that reach elevations of over 5,000 meters. This valley has no natural drainage , making the city vulnerable to flooding. Seismic activity is frequent here