The Alberto Adriani Municipality is one of the 23 municipalities (municipios) that makes up the Venezuelan state of Mérida and, according to a 2007 population estimate by the National Institute of Statistics of Venezuela, the municipality has a population of 128,222. The town of El Vigía is the shire town of the Alberto Adriani Municipality.
The Alberto Adriani Municipality, according to a 2007 population estimate by the National Institute of Statistics of Venezuela, has a population of 128,222 (up from 109,215 in 2000). This amounts to 15.2% of the state's population. The municipality's population density is 302.1 people per square mile (187.7/km²).
The mayor of the Alberto Adriani Municipality is Luis Guillermo Rojas Mendoza, re-elected on October 31, 2004 with 59% of the vote. The municipality is divided into seven parishes
; Presidente Betancourt, Presidente Páez, Presidente Rómulo Gallegos, Gabriel Picón González, Héctor Amable Mora, José Nucete Sardi, and Pulido Méndez.