Santo António is a municipality ( freguesia ) in the Portuguese capital, Lisbon. It was created on September 29, 2013 as part of the administrative reorganization of the city from the merger of the municipalities of São Mamede , São José and Coração de Jesus . 11,748 inhabitants live in an area of 1.50 km² (as of June 30, 2011).
source
Diário da República, 1.ª série - N.º 216, November 8th, 2012