The Aragua Municipality is one of the 21 municipalities that makes up the eastern Venezuelan state of Anzoátegui and, according to the 2011 c…The Aragua Municipality is one of the 21 municipalities that makes up the eastern Venezuelan state of Anzoátegui and, according to the 2011 census by the National Institute of Statistics of Venezuela, the municipality has a population of 29,268. The town of Aragua de Barcelona is the shire town of the Aragua Municipality.