Mexico is divided into 31 states (estados) and 1 Federal District (Distrito Federal), which contains the capital, Mexico City.
States and their capital cities:
... 113.1 km² (43.7 mi²). 110.9 km² (42.8 mi²) of it is land and 2.2 km² (0.8 mi²) of it is water. The total area is 1.92% water. ...