Mexico City is divided into sixteen mayoralties (Spanish: alcaldías), which have regulatory powers and are not fully autonomous in their internal administration. As of 2000, the citizens within a mayoralty elect by plurality a head of government, as of 2016, known as "mayor" (Spanish: alcalde). Mexico City recorded an official 2010 census tally of 8,851,080 inhabitants.
The municipalities are subdivided into neighborhoods (colonias in Spanish) and in some cases in the southernmost municipalities, also into towns and rural settlements.
Mexico City as a whole is bordered directly by the following municipalities, going clockwise, starting from the west-southwest.
Xalatlaco Municipality, State of Mexico
Ocoyoacac Municipality, State of Mexico
Huixquilucan Municipality, State of Mexico
Naucalpan Municipality, State of Mexico
Tlalnepantla de Baz Municipality, State of Mexico
Tultitlán Municipality, State of Mexico
Coacalco de Berriozábal Municipality, State of Mexico
Ecatepec de Morelos Municipality, State of Mexico
Tlalnepantla de Baz Municipality, State of Mexico (second occurrence, exclaved part)
Ecatepec de Morelos Municipality, State of Mexico (second occurrence because of preceding)
Nezahualcóyotl Municipality, State of Mexico
La Paz Municipality, State of Mexico
Valle de Chalco Solidaridad Municipality, State of Mexico
Chalco Municipality, State of Mexico
Tenango del Aire Municipality, State of Mexico
Juchitepec Municipality, State of Mexico
Tlalnepantla Municipality, State of Morelos
Tepoztlán Municipality, State of Morelos
Huitzilac Municipality, State of Morelos
